Home / 22,248.02-30,705.73-12,687.93

Finding the Fourth Proportional to 22,248.02, 30,705.73 and 12,687.93

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Solution

The fourth proportional to 22,248.02, 30,705.73 and 12,687.93 is: 17,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.02 : 30,705.73 = 12,687.93 : x
  2. Step 2: Convert to fraction form
    22,248.02/30,705.73 = 12,687.93/x
  3. Step 3: Cross multiply
    22,248.02x = 30,705.73 × 12,687.93
  4. Step 4: Simplify right side
    22,248.02x = 389,592,121.12
  5. Step 5: Solve for x
    x = 389,592,121.12/22,248.02
  6. Step 6: Final answer
    x = 17,511.31

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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.