Home / 21,453.48-32,171.10-9,774.12

Finding the Fourth Proportional to 21,453.48, 32,171.10 and 9,774.12

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Solution

The fourth proportional to 21,453.48, 32,171.10 and 9,774.12 is: 14,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.48 : 32,171.10 = 9,774.12 : x
  2. Step 2: Convert to fraction form
    21,453.48/32,171.10 = 9,774.12/x
  3. Step 3: Cross multiply
    21,453.48x = 32,171.10 × 9,774.12
  4. Step 4: Simplify right side
    21,453.48x = 314,444,191.93
  5. Step 5: Solve for x
    x = 314,444,191.93/21,453.48
  6. Step 6: Final answer
    x = 14,657.02

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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.