Home / 10,654.46-15,981.64-4,409.95

Finding the Fourth Proportional to 10,654.46, 15,981.64 and 4,409.95

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Solution

The fourth proportional to 10,654.46, 15,981.64 and 4,409.95 is: 6,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.46 : 15,981.64 = 4,409.95 : x
  2. Step 2: Convert to fraction form
    10,654.46/15,981.64 = 4,409.95/x
  3. Step 3: Cross multiply
    10,654.46x = 15,981.64 × 4,409.95
  4. Step 4: Simplify right side
    10,654.46x = 70,478,233.32
  5. Step 5: Solve for x
    x = 70,478,233.32/10,654.46
  6. Step 6: Final answer
    x = 6,614.90

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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.