Home / 16,581.44-22,884-12,382.40

Finding the Fourth Proportional to 16,581.44, 22,884 and 12,382.40

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Solution

The fourth proportional to 16,581.44, 22,884 and 12,382.40 is: 17,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.44 : 22,884 = 12,382.40 : x
  2. Step 2: Convert to fraction form
    16,581.44/22,884 = 12,382.40/x
  3. Step 3: Cross multiply
    16,581.44x = 22,884 × 12,382.40
  4. Step 4: Simplify right side
    16,581.44x = 283,358,841.60
  5. Step 5: Solve for x
    x = 283,358,841.60/16,581.44
  6. Step 6: Final answer
    x = 17,088.92

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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.