Home / 10,955.99-16,439.17-5,688.20

Finding the Fourth Proportional to 10,955.99, 16,439.17 and 5,688.20

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Solution

The fourth proportional to 10,955.99, 16,439.17 and 5,688.20 is: 8,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.99 : 16,439.17 = 5,688.20 : x
  2. Step 2: Convert to fraction form
    10,955.99/16,439.17 = 5,688.20/x
  3. Step 3: Cross multiply
    10,955.99x = 16,439.17 × 5,688.20
  4. Step 4: Simplify right side
    10,955.99x = 93,509,286.79
  5. Step 5: Solve for x
    x = 93,509,286.79/10,955.99
  6. Step 6: Final answer
    x = 8,534.99

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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.