Home / 16,920.32-23,349.76-9,366.49

Finding the Fourth Proportional to 16,920.32, 23,349.76 and 9,366.49

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Solution

The fourth proportional to 16,920.32, 23,349.76 and 9,366.49 is: 12,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.32 : 23,349.76 = 9,366.49 : x
  2. Step 2: Convert to fraction form
    16,920.32/23,349.76 = 9,366.49/x
  3. Step 3: Cross multiply
    16,920.32x = 23,349.76 × 9,366.49
  4. Step 4: Simplify right side
    16,920.32x = 218,705,211.75
  5. Step 5: Solve for x
    x = 218,705,211.75/16,920.32
  6. Step 6: Final answer
    x = 12,925.60

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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.