Home / 10,557.17-15,840.36-5,014.43

Finding the Fourth Proportional to 10,557.17, 15,840.36 and 5,014.43

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Solution

The fourth proportional to 10,557.17, 15,840.36 and 5,014.43 is: 7,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.17 : 15,840.36 = 5,014.43 : x
  2. Step 2: Convert to fraction form
    10,557.17/15,840.36 = 5,014.43/x
  3. Step 3: Cross multiply
    10,557.17x = 15,840.36 × 5,014.43
  4. Step 4: Simplify right side
    10,557.17x = 79,430,376.39
  5. Step 5: Solve for x
    x = 79,430,376.39/10,557.17
  6. Step 6: Final answer
    x = 7,523.83

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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.