Home / 15,306.17-21,125.88-9,022.19

Finding the Fourth Proportional to 15,306.17, 21,125.88 and 9,022.19

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Solution

The fourth proportional to 15,306.17, 21,125.88 and 9,022.19 is: 12,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306.17 : 21,125.88 = 9,022.19 : x
  2. Step 2: Convert to fraction form
    15,306.17/21,125.88 = 9,022.19/x
  3. Step 3: Cross multiply
    15,306.17x = 21,125.88 × 9,022.19
  4. Step 4: Simplify right side
    15,306.17x = 190,601,597.65
  5. Step 5: Solve for x
    x = 190,601,597.65/15,306.17
  6. Step 6: Final answer
    x = 12,452.60

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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.