Home / 16,181.04-22,328.28-9,899.76

Finding the Fourth Proportional to 16,181.04, 22,328.28 and 9,899.76

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Solution

The fourth proportional to 16,181.04, 22,328.28 and 9,899.76 is: 13,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.04 : 22,328.28 = 9,899.76 : x
  2. Step 2: Convert to fraction form
    16,181.04/22,328.28 = 9,899.76/x
  3. Step 3: Cross multiply
    16,181.04x = 22,328.28 × 9,899.76
  4. Step 4: Simplify right side
    16,181.04x = 221,044,613.21
  5. Step 5: Solve for x
    x = 221,044,613.21/16,181.04
  6. Step 6: Final answer
    x = 13,660.72

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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.