Home / 21,393.02-32,082.70-7,349.66

Finding the Fourth Proportional to 21,393.02, 32,082.70 and 7,349.66

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Solution

The fourth proportional to 21,393.02, 32,082.70 and 7,349.66 is: 11,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.02 : 32,082.70 = 7,349.66 : x
  2. Step 2: Convert to fraction form
    21,393.02/32,082.70 = 7,349.66/x
  3. Step 3: Cross multiply
    21,393.02x = 32,082.70 × 7,349.66
  4. Step 4: Simplify right side
    21,393.02x = 235,796,955.26
  5. Step 5: Solve for x
    x = 235,796,955.26/21,393.02
  6. Step 6: Final answer
    x = 11,022.14

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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.