Home / 18,264.15-25,204.23-9,880.65

Finding the Fourth Proportional to 18,264.15, 25,204.23 and 9,880.65

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Solution

The fourth proportional to 18,264.15, 25,204.23 and 9,880.65 is: 13,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.15 : 25,204.23 = 9,880.65 : x
  2. Step 2: Convert to fraction form
    18,264.15/25,204.23 = 9,880.65/x
  3. Step 3: Cross multiply
    18,264.15x = 25,204.23 × 9,880.65
  4. Step 4: Simplify right side
    18,264.15x = 249,034,175.15
  5. Step 5: Solve for x
    x = 249,034,175.15/18,264.15
  6. Step 6: Final answer
    x = 13,635.14

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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.