Home / 16,830.64-23,226.76-9,661.18

Finding the Fourth Proportional to 16,830.64, 23,226.76 and 9,661.18

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Solution

The fourth proportional to 16,830.64, 23,226.76 and 9,661.18 is: 13,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.64 : 23,226.76 = 9,661.18 : x
  2. Step 2: Convert to fraction form
    16,830.64/23,226.76 = 9,661.18/x
  3. Step 3: Cross multiply
    16,830.64x = 23,226.76 × 9,661.18
  4. Step 4: Simplify right side
    16,830.64x = 224,397,909.18
  5. Step 5: Solve for x
    x = 224,397,909.18/16,830.64
  6. Step 6: Final answer
    x = 13,332.70

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Half scale
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Double scale
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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.