Home / 16,862.40-23,268.45-9,788.13

Finding the Fourth Proportional to 16,862.40, 23,268.45 and 9,788.13

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Solution

The fourth proportional to 16,862.40, 23,268.45 and 9,788.13 is: 13,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.40 : 23,268.45 = 9,788.13 : x
  2. Step 2: Convert to fraction form
    16,862.40/23,268.45 = 9,788.13/x
  3. Step 3: Cross multiply
    16,862.40x = 23,268.45 × 9,788.13
  4. Step 4: Simplify right side
    16,862.40x = 227,754,613.50
  5. Step 5: Solve for x
    x = 227,754,613.50/16,862.40
  6. Step 6: Final answer
    x = 13,506.65

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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.