Home / 15,000.49-20,690.64-9,025.93

Finding the Fourth Proportional to 15,000.49, 20,690.64 and 9,025.93

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Solution

The fourth proportional to 15,000.49, 20,690.64 and 9,025.93 is: 12,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.49 : 20,690.64 = 9,025.93 : x
  2. Step 2: Convert to fraction form
    15,000.49/20,690.64 = 9,025.93/x
  3. Step 3: Cross multiply
    15,000.49x = 20,690.64 × 9,025.93
  4. Step 4: Simplify right side
    15,000.49x = 186,752,294.16
  5. Step 5: Solve for x
    x = 186,752,294.16/15,000.49
  6. Step 6: Final answer
    x = 12,449.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.