Home / 13,337.90-18,406.02-7,369.52

Finding the Fourth Proportional to 13,337.90, 18,406.02 and 7,369.52

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Solution

The fourth proportional to 13,337.90, 18,406.02 and 7,369.52 is: 10,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.90 : 18,406.02 = 7,369.52 : x
  2. Step 2: Convert to fraction form
    13,337.90/18,406.02 = 7,369.52/x
  3. Step 3: Cross multiply
    13,337.90x = 18,406.02 × 7,369.52
  4. Step 4: Simplify right side
    13,337.90x = 135,643,440.48
  5. Step 5: Solve for x
    x = 135,643,440.48/13,337.90
  6. Step 6: Final answer
    x = 10,169.78

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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.