Home / 13,839.25-19,098.10-7,551.63

Finding the Fourth Proportional to 13,839.25, 19,098.10 and 7,551.63

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Solution

The fourth proportional to 13,839.25, 19,098.10 and 7,551.63 is: 10,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.25 : 19,098.10 = 7,551.63 : x
  2. Step 2: Convert to fraction form
    13,839.25/19,098.10 = 7,551.63/x
  3. Step 3: Cross multiply
    13,839.25x = 19,098.10 × 7,551.63
  4. Step 4: Simplify right side
    13,839.25x = 144,221,784.90
  5. Step 5: Solve for x
    x = 144,221,784.90/13,839.25
  6. Step 6: Final answer
    x = 10,421.21

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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.