Home / 21,507.48-32,247.45-8,349.03

Finding the Fourth Proportional to 21,507.48, 32,247.45 and 8,349.03

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Solution

The fourth proportional to 21,507.48, 32,247.45 and 8,349.03 is: 12,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507.48 : 32,247.45 = 8,349.03 : x
  2. Step 2: Convert to fraction form
    21,507.48/32,247.45 = 8,349.03/x
  3. Step 3: Cross multiply
    21,507.48x = 32,247.45 × 8,349.03
  4. Step 4: Simplify right side
    21,507.48x = 269,234,927.47
  5. Step 5: Solve for x
    x = 269,234,927.47/21,507.48
  6. Step 6: Final answer
    x = 12,518.20

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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.