Home / 13,713.90-18,925.24-7,426.28

Finding the Fourth Proportional to 13,713.90, 18,925.24 and 7,426.28

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Solution

The fourth proportional to 13,713.90, 18,925.24 and 7,426.28 is: 10,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.90 : 18,925.24 = 7,426.28 : x
  2. Step 2: Convert to fraction form
    13,713.90/18,925.24 = 7,426.28/x
  3. Step 3: Cross multiply
    13,713.90x = 18,925.24 × 7,426.28
  4. Step 4: Simplify right side
    13,713.90x = 140,544,131.31
  5. Step 5: Solve for x
    x = 140,544,131.31/13,713.90
  6. Step 6: Final answer
    x = 10,248.30

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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.