Home / 15,234.76-21,032.18-10,704.20

Finding the Fourth Proportional to 15,234.76, 21,032.18 and 10,704.20

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Solution

The fourth proportional to 15,234.76, 21,032.18 and 10,704.20 is: 14,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234.76 : 21,032.18 = 10,704.20 : x
  2. Step 2: Convert to fraction form
    15,234.76/21,032.18 = 10,704.20/x
  3. Step 3: Cross multiply
    15,234.76x = 21,032.18 × 10,704.20
  4. Step 4: Simplify right side
    15,234.76x = 225,132,661.16
  5. Step 5: Solve for x
    x = 225,132,661.16/15,234.76
  6. Step 6: Final answer
    x = 14,777.57

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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.