Home / 16,560.04-22,856.10-9,491.20

Finding the Fourth Proportional to 16,560.04, 22,856.10 and 9,491.20

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Solution

The fourth proportional to 16,560.04, 22,856.10 and 9,491.20 is: 13,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,560.04 : 22,856.10 = 9,491.20 : x
  2. Step 2: Convert to fraction form
    16,560.04/22,856.10 = 9,491.20/x
  3. Step 3: Cross multiply
    16,560.04x = 22,856.10 × 9,491.20
  4. Step 4: Simplify right side
    16,560.04x = 216,931,816.32
  5. Step 5: Solve for x
    x = 216,931,816.32/16,560.04
  6. Step 6: Final answer
    x = 13,099.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.