Home / 9,690.20-14,541.68-5,310.74

Finding the Fourth Proportional to 9,690.20, 14,541.68 and 5,310.74

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Solution

The fourth proportional to 9,690.20, 14,541.68 and 5,310.74 is: 7,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.20 : 14,541.68 = 5,310.74 : x
  2. Step 2: Convert to fraction form
    9,690.20/14,541.68 = 5,310.74/x
  3. Step 3: Cross multiply
    9,690.20x = 14,541.68 × 5,310.74
  4. Step 4: Simplify right side
    9,690.20x = 77,226,982.38
  5. Step 5: Solve for x
    x = 77,226,982.38/9,690.20
  6. Step 6: Final answer
    x = 7,969.60

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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.