Home / 9,990.28-14,985.44-2,594.13

Finding the Fourth Proportional to 9,990.28, 14,985.44 and 2,594.13

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Solution

The fourth proportional to 9,990.28, 14,985.44 and 2,594.13 is: 3,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.28 : 14,985.44 = 2,594.13 : x
  2. Step 2: Convert to fraction form
    9,990.28/14,985.44 = 2,594.13/x
  3. Step 3: Cross multiply
    9,990.28x = 14,985.44 × 2,594.13
  4. Step 4: Simplify right side
    9,990.28x = 38,874,179.47
  5. Step 5: Solve for x
    x = 38,874,179.47/9,990.28
  6. Step 6: Final answer
    x = 3,891.20

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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.