Home / 10,157.53-15,240.84-6,458.80

Finding the Fourth Proportional to 10,157.53, 15,240.84 and 6,458.80

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Solution

The fourth proportional to 10,157.53, 15,240.84 and 6,458.80 is: 9,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.53 : 15,240.84 = 6,458.80 : x
  2. Step 2: Convert to fraction form
    10,157.53/15,240.84 = 6,458.80/x
  3. Step 3: Cross multiply
    10,157.53x = 15,240.84 × 6,458.80
  4. Step 4: Simplify right side
    10,157.53x = 98,437,537.39
  5. Step 5: Solve for x
    x = 98,437,537.39/10,157.53
  6. Step 6: Final answer
    x = 9,691.09

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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.