Home / 10,299.30-15,445.76-4,376.13

Finding the Fourth Proportional to 10,299.30, 15,445.76 and 4,376.13

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Solution

The fourth proportional to 10,299.30, 15,445.76 and 4,376.13 is: 6,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.30 : 15,445.76 = 4,376.13 : x
  2. Step 2: Convert to fraction form
    10,299.30/15,445.76 = 4,376.13/x
  3. Step 3: Cross multiply
    10,299.30x = 15,445.76 × 4,376.13
  4. Step 4: Simplify right side
    10,299.30x = 67,592,631.83
  5. Step 5: Solve for x
    x = 67,592,631.83/10,299.30
  6. Step 6: Final answer
    x = 6,562.84

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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.