Home / 8,225.16-12,337.63-1,985.12

Finding the Fourth Proportional to 8,225.16, 12,337.63 and 1,985.12

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Solution

The fourth proportional to 8,225.16, 12,337.63 and 1,985.12 is: 2,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.16 : 12,337.63 = 1,985.12 : x
  2. Step 2: Convert to fraction form
    8,225.16/12,337.63 = 1,985.12/x
  3. Step 3: Cross multiply
    8,225.16x = 12,337.63 × 1,985.12
  4. Step 4: Simplify right side
    8,225.16x = 24,491,666.14
  5. Step 5: Solve for x
    x = 24,491,666.14/8,225.16
  6. Step 6: Final answer
    x = 2,977.65

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Double scale
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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.