Home / 10,925.20-16,344.60-9,480.40

Finding the Fourth Proportional to 10,925.20, 16,344.60 and 9,480.40

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Solution

The fourth proportional to 10,925.20, 16,344.60 and 9,480.40 is: 14,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.20 : 16,344.60 = 9,480.40 : x
  2. Step 2: Convert to fraction form
    10,925.20/16,344.60 = 9,480.40/x
  3. Step 3: Cross multiply
    10,925.20x = 16,344.60 × 9,480.40
  4. Step 4: Simplify right side
    10,925.20x = 154,953,345.84
  5. Step 5: Solve for x
    x = 154,953,345.84/10,925.20
  6. Step 6: Final answer
    x = 14,183.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.