Home / 21,644.74-32,442.53-9,156.97

Finding the Fourth Proportional to 21,644.74, 32,442.53 and 9,156.97

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Solution

The fourth proportional to 21,644.74, 32,442.53 and 9,156.97 is: 13,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,644.74 : 32,442.53 = 9,156.97 : x
  2. Step 2: Convert to fraction form
    21,644.74/32,442.53 = 9,156.97/x
  3. Step 3: Cross multiply
    21,644.74x = 32,442.53 × 9,156.97
  4. Step 4: Simplify right side
    21,644.74x = 297,075,228.15
  5. Step 5: Solve for x
    x = 297,075,228.15/21,644.74
  6. Step 6: Final answer
    x = 13,725.05

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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.