Home / 10,617.60-15,932.55-4,376.45

Finding the Fourth Proportional to 10,617.60, 15,932.55 and 4,376.45

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Solution

The fourth proportional to 10,617.60, 15,932.55 and 4,376.45 is: 6,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.60 : 15,932.55 = 4,376.45 : x
  2. Step 2: Convert to fraction form
    10,617.60/15,932.55 = 4,376.45/x
  3. Step 3: Cross multiply
    10,617.60x = 15,932.55 × 4,376.45
  4. Step 4: Simplify right side
    10,617.60x = 69,728,008.45
  5. Step 5: Solve for x
    x = 69,728,008.45/10,617.60
  6. Step 6: Final answer
    x = 6,567.21

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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.