Home / 9,276.50-13,891.68-6,490.13

Finding the Fourth Proportional to 9,276.50, 13,891.68 and 6,490.13

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Solution

The fourth proportional to 9,276.50, 13,891.68 and 6,490.13 is: 9,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.50 : 13,891.68 = 6,490.13 : x
  2. Step 2: Convert to fraction form
    9,276.50/13,891.68 = 6,490.13/x
  3. Step 3: Cross multiply
    9,276.50x = 13,891.68 × 6,490.13
  4. Step 4: Simplify right side
    9,276.50x = 90,158,721.41
  5. Step 5: Solve for x
    x = 90,158,721.41/9,276.50
  6. Step 6: Final answer
    x = 9,719.05

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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.