Home / 13,337.10-18,386.18-10,347.66

Finding the Fourth Proportional to 13,337.10, 18,386.18 and 10,347.66

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Solution

The fourth proportional to 13,337.10, 18,386.18 and 10,347.66 is: 14,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.10 : 18,386.18 = 10,347.66 : x
  2. Step 2: Convert to fraction form
    13,337.10/18,386.18 = 10,347.66/x
  3. Step 3: Cross multiply
    13,337.10x = 18,386.18 × 10,347.66
  4. Step 4: Simplify right side
    13,337.10x = 190,253,939.34
  5. Step 5: Solve for x
    x = 190,253,939.34/13,337.10
  6. Step 6: Final answer
    x = 14,265.02

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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.