Home / 17,872.02-24,671.34-11,156.40

Finding the Fourth Proportional to 17,872.02, 24,671.34 and 11,156.40

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Solution

The fourth proportional to 17,872.02, 24,671.34 and 11,156.40 is: 15,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.02 : 24,671.34 = 11,156.40 : x
  2. Step 2: Convert to fraction form
    17,872.02/24,671.34 = 11,156.40/x
  3. Step 3: Cross multiply
    17,872.02x = 24,671.34 × 11,156.40
  4. Step 4: Simplify right side
    17,872.02x = 275,243,337.58
  5. Step 5: Solve for x
    x = 275,243,337.58/17,872.02
  6. Step 6: Final answer
    x = 15,400.80

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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.