Home / 10,824.60-14,939.10-6,631.80

Finding the Fourth Proportional to 10,824.60, 14,939.10 and 6,631.80

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Solution

The fourth proportional to 10,824.60, 14,939.10 and 6,631.80 is: 9,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.60 : 14,939.10 = 6,631.80 : x
  2. Step 2: Convert to fraction form
    10,824.60/14,939.10 = 6,631.80/x
  3. Step 3: Cross multiply
    10,824.60x = 14,939.10 × 6,631.80
  4. Step 4: Simplify right side
    10,824.60x = 99,073,123.38
  5. Step 5: Solve for x
    x = 99,073,123.38/10,824.60
  6. Step 6: Final answer
    x = 9,152.59

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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.