Home / 21,645.01-32,442.90-9,157.24

Finding the Fourth Proportional to 21,645.01, 32,442.90 and 9,157.24

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Solution

The fourth proportional to 21,645.01, 32,442.90 and 9,157.24 is: 13,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.01 : 32,442.90 = 9,157.24 : x
  2. Step 2: Convert to fraction form
    21,645.01/32,442.90 = 9,157.24/x
  3. Step 3: Cross multiply
    21,645.01x = 32,442.90 × 9,157.24
  4. Step 4: Simplify right side
    21,645.01x = 297,087,421.60
  5. Step 5: Solve for x
    x = 297,087,421.60/21,645.01
  6. Step 6: Final answer
    x = 13,725.45

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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.