Home / 15,697.20-23,545.80-9,476.40

Finding the Fourth Proportional to 15,697.20, 23,545.80 and 9,476.40

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Solution

The fourth proportional to 15,697.20, 23,545.80 and 9,476.40 is: 14,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,697.20 : 23,545.80 = 9,476.40 : x
  2. Step 2: Convert to fraction form
    15,697.20/23,545.80 = 9,476.40/x
  3. Step 3: Cross multiply
    15,697.20x = 23,545.80 × 9,476.40
  4. Step 4: Simplify right side
    15,697.20x = 223,129,419.12
  5. Step 5: Solve for x
    x = 223,129,419.12/15,697.20
  6. Step 6: Final answer
    x = 14,214.60

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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.