Home / 21,471.02-32,194.65-7,423.46

Finding the Fourth Proportional to 21,471.02, 32,194.65 and 7,423.46

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Solution

The fourth proportional to 21,471.02, 32,194.65 and 7,423.46 is: 11,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,471.02 : 32,194.65 = 7,423.46 : x
  2. Step 2: Convert to fraction form
    21,471.02/32,194.65 = 7,423.46/x
  3. Step 3: Cross multiply
    21,471.02x = 32,194.65 × 7,423.46
  4. Step 4: Simplify right side
    21,471.02x = 238,995,696.49
  5. Step 5: Solve for x
    x = 238,995,696.49/21,471.02
  6. Step 6: Final answer
    x = 11,131.08

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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.