Home / 18,266.40-25,207.44-9,882.80

Finding the Fourth Proportional to 18,266.40, 25,207.44 and 9,882.80

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Solution

The fourth proportional to 18,266.40, 25,207.44 and 9,882.80 is: 13,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.40 : 25,207.44 = 9,882.80 : x
  2. Step 2: Convert to fraction form
    18,266.40/25,207.44 = 9,882.80/x
  3. Step 3: Cross multiply
    18,266.40x = 25,207.44 × 9,882.80
  4. Step 4: Simplify right side
    18,266.40x = 249,120,088.03
  5. Step 5: Solve for x
    x = 249,120,088.03/18,266.40
  6. Step 6: Final answer
    x = 13,638.16

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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.