Home / 15,252.18-21,050.19-9,285.18

Finding the Fourth Proportional to 15,252.18, 21,050.19 and 9,285.18

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Solution

The fourth proportional to 15,252.18, 21,050.19 and 9,285.18 is: 12,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,252.18 : 21,050.19 = 9,285.18 : x
  2. Step 2: Convert to fraction form
    15,252.18/21,050.19 = 9,285.18/x
  3. Step 3: Cross multiply
    15,252.18x = 21,050.19 × 9,285.18
  4. Step 4: Simplify right side
    15,252.18x = 195,454,803.18
  5. Step 5: Solve for x
    x = 195,454,803.18/15,252.18
  6. Step 6: Final answer
    x = 12,814.88

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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.