Home / 10,557.79-15,843.68-5,630.98

Finding the Fourth Proportional to 10,557.79, 15,843.68 and 5,630.98

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Solution

The fourth proportional to 10,557.79, 15,843.68 and 5,630.98 is: 8,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.79 : 15,843.68 = 5,630.98 : x
  2. Step 2: Convert to fraction form
    10,557.79/15,843.68 = 5,630.98/x
  3. Step 3: Cross multiply
    10,557.79x = 15,843.68 × 5,630.98
  4. Step 4: Simplify right side
    10,557.79x = 89,215,417.05
  5. Step 5: Solve for x
    x = 89,215,417.05/10,557.79
  6. Step 6: Final answer
    x = 8,450.20

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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.