Home / 13,551.91-18,701.89-7,584.23

Finding the Fourth Proportional to 13,551.91, 18,701.89 and 7,584.23

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Solution

The fourth proportional to 13,551.91, 18,701.89 and 7,584.23 is: 10,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.91 : 18,701.89 = 7,584.23 : x
  2. Step 2: Convert to fraction form
    13,551.91/18,701.89 = 7,584.23/x
  3. Step 3: Cross multiply
    13,551.91x = 18,701.89 × 7,584.23
  4. Step 4: Simplify right side
    13,551.91x = 141,839,462.99
  5. Step 5: Solve for x
    x = 141,839,462.99/13,551.91
  6. Step 6: Final answer
    x = 10,466.38

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Half scale
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Double scale
Find fourth proportional to 13,552.91, 18,703.27 and 7,585.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.