Home / 9,434.20-14,151.30-8,570.20

Finding the Fourth Proportional to 9,434.20, 14,151.30 and 8,570.20

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Solution

The fourth proportional to 9,434.20, 14,151.30 and 8,570.20 is: 12,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.20 : 14,151.30 = 8,570.20 : x
  2. Step 2: Convert to fraction form
    9,434.20/14,151.30 = 8,570.20/x
  3. Step 3: Cross multiply
    9,434.20x = 14,151.30 × 8,570.20
  4. Step 4: Simplify right side
    9,434.20x = 121,279,471.26
  5. Step 5: Solve for x
    x = 121,279,471.26/9,434.20
  6. Step 6: Final answer
    x = 12,855.30

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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.