Home / 15,329.25-21,154.19-8,616.02

Finding the Fourth Proportional to 15,329.25, 21,154.19 and 8,616.02

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Solution

The fourth proportional to 15,329.25, 21,154.19 and 8,616.02 is: 11,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.25 : 21,154.19 = 8,616.02 : x
  2. Step 2: Convert to fraction form
    15,329.25/21,154.19 = 8,616.02/x
  3. Step 3: Cross multiply
    15,329.25x = 21,154.19 × 8,616.02
  4. Step 4: Simplify right side
    15,329.25x = 182,264,775.27
  5. Step 5: Solve for x
    x = 182,264,775.27/15,329.25
  6. Step 6: Final answer
    x = 11,890.00

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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.