Home / 22,403.02-30,915.24-12,331.36

Finding the Fourth Proportional to 22,403.02, 30,915.24 and 12,331.36

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Solution

The fourth proportional to 22,403.02, 30,915.24 and 12,331.36 is: 17,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.02 : 30,915.24 = 12,331.36 : x
  2. Step 2: Convert to fraction form
    22,403.02/30,915.24 = 12,331.36/x
  3. Step 3: Cross multiply
    22,403.02x = 30,915.24 × 12,331.36
  4. Step 4: Simplify right side
    22,403.02x = 381,226,953.93
  5. Step 5: Solve for x
    x = 381,226,953.93/22,403.02
  6. Step 6: Final answer
    x = 17,016.77

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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.