Home / 11,419.76-17,088.12-9,426.86

Finding the Fourth Proportional to 11,419.76, 17,088.12 and 9,426.86

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Solution

The fourth proportional to 11,419.76, 17,088.12 and 9,426.86 is: 14,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.76 : 17,088.12 = 9,426.86 : x
  2. Step 2: Convert to fraction form
    11,419.76/17,088.12 = 9,426.86/x
  3. Step 3: Cross multiply
    11,419.76x = 17,088.12 × 9,426.86
  4. Step 4: Simplify right side
    11,419.76x = 161,087,314.90
  5. Step 5: Solve for x
    x = 161,087,314.90/11,419.76
  6. Step 6: Final answer
    x = 14,106.02

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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.