Home / 10,570.20-15,855.27-8,593.48

Finding the Fourth Proportional to 10,570.20, 15,855.27 and 8,593.48

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Solution

The fourth proportional to 10,570.20, 15,855.27 and 8,593.48 is: 12,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.20 : 15,855.27 = 8,593.48 : x
  2. Step 2: Convert to fraction form
    10,570.20/15,855.27 = 8,593.48/x
  3. Step 3: Cross multiply
    10,570.20x = 15,855.27 × 8,593.48
  4. Step 4: Simplify right side
    10,570.20x = 136,251,945.64
  5. Step 5: Solve for x
    x = 136,251,945.64/10,570.20
  6. Step 6: Final answer
    x = 12,890.20

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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.