Home / 10,318.53-15,475.74-5,051.28

Finding the Fourth Proportional to 10,318.53, 15,475.74 and 5,051.28

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Solution

The fourth proportional to 10,318.53, 15,475.74 and 5,051.28 is: 7,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.53 : 15,475.74 = 5,051.28 : x
  2. Step 2: Convert to fraction form
    10,318.53/15,475.74 = 5,051.28/x
  3. Step 3: Cross multiply
    10,318.53x = 15,475.74 × 5,051.28
  4. Step 4: Simplify right side
    10,318.53x = 78,172,295.95
  5. Step 5: Solve for x
    x = 78,172,295.95/10,318.53
  6. Step 6: Final answer
    x = 7,575.91

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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.