Home / 18,275.64-25,220.36-9,892.12

Finding the Fourth Proportional to 18,275.64, 25,220.36 and 9,892.12

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Solution

The fourth proportional to 18,275.64, 25,220.36 and 9,892.12 is: 13,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.64 : 25,220.36 = 9,892.12 : x
  2. Step 2: Convert to fraction form
    18,275.64/25,220.36 = 9,892.12/x
  3. Step 3: Cross multiply
    18,275.64x = 25,220.36 × 9,892.12
  4. Step 4: Simplify right side
    18,275.64x = 249,482,827.56
  5. Step 5: Solve for x
    x = 249,482,827.56/18,275.64
  6. Step 6: Final answer
    x = 13,651.11

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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.