Home / 10,267.32-15,328.05-9,902.82

Finding the Fourth Proportional to 10,267.32, 15,328.05 and 9,902.82

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Solution

The fourth proportional to 10,267.32, 15,328.05 and 9,902.82 is: 14,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.32 : 15,328.05 = 9,902.82 : x
  2. Step 2: Convert to fraction form
    10,267.32/15,328.05 = 9,902.82/x
  3. Step 3: Cross multiply
    10,267.32x = 15,328.05 × 9,902.82
  4. Step 4: Simplify right side
    10,267.32x = 151,790,920.10
  5. Step 5: Solve for x
    x = 151,790,920.10/10,267.32
  6. Step 6: Final answer
    x = 14,783.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.