Home / 13,551.39-18,701.82-7,583.63

Finding the Fourth Proportional to 13,551.39, 18,701.82 and 7,583.63

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Solution

The fourth proportional to 13,551.39, 18,701.82 and 7,583.63 is: 10,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.39 : 18,701.82 = 7,583.63 : x
  2. Step 2: Convert to fraction form
    13,551.39/18,701.82 = 7,583.63/x
  3. Step 3: Cross multiply
    13,551.39x = 18,701.82 × 7,583.63
  4. Step 4: Simplify right side
    13,551.39x = 141,827,589.70
  5. Step 5: Solve for x
    x = 141,827,589.70/13,551.39
  6. Step 6: Final answer
    x = 10,465.91

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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.