Home / 13,246.10-19,869.15-7,003.70

Finding the Fourth Proportional to 13,246.10, 19,869.15 and 7,003.70

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Solution

The fourth proportional to 13,246.10, 19,869.15 and 7,003.70 is: 10,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.10 : 19,869.15 = 7,003.70 : x
  2. Step 2: Convert to fraction form
    13,246.10/19,869.15 = 7,003.70/x
  3. Step 3: Cross multiply
    13,246.10x = 19,869.15 × 7,003.70
  4. Step 4: Simplify right side
    13,246.10x = 139,157,565.86
  5. Step 5: Solve for x
    x = 139,157,565.86/13,246.10
  6. Step 6: Final answer
    x = 10,505.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.