Home / 18,266.08-25,207.28-9,882.60

Finding the Fourth Proportional to 18,266.08, 25,207.28 and 9,882.60

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Solution

The fourth proportional to 18,266.08, 25,207.28 and 9,882.60 is: 13,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.08 : 25,207.28 = 9,882.60 : x
  2. Step 2: Convert to fraction form
    18,266.08/25,207.28 = 9,882.60/x
  3. Step 3: Cross multiply
    18,266.08x = 25,207.28 × 9,882.60
  4. Step 4: Simplify right side
    18,266.08x = 249,113,465.33
  5. Step 5: Solve for x
    x = 249,113,465.33/18,266.08
  6. Step 6: Final answer
    x = 13,638.04

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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.