Home / 21,490.16-32,233.08-8,342.48

Finding the Fourth Proportional to 21,490.16, 32,233.08 and 8,342.48

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Solution

The fourth proportional to 21,490.16, 32,233.08 and 8,342.48 is: 12,512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490.16 : 32,233.08 = 8,342.48 : x
  2. Step 2: Convert to fraction form
    21,490.16/32,233.08 = 8,342.48/x
  3. Step 3: Cross multiply
    21,490.16x = 32,233.08 × 8,342.48
  4. Step 4: Simplify right side
    21,490.16x = 268,903,825.24
  5. Step 5: Solve for x
    x = 268,903,825.24/21,490.16
  6. Step 6: Final answer
    x = 12,512.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.