Home / 21,395.04-29,527.02-12,442.02

Finding the Fourth Proportional to 21,395.04, 29,527.02 and 12,442.02

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Solution

The fourth proportional to 21,395.04, 29,527.02 and 12,442.02 is: 17,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.04 : 29,527.02 = 12,442.02 : x
  2. Step 2: Convert to fraction form
    21,395.04/29,527.02 = 12,442.02/x
  3. Step 3: Cross multiply
    21,395.04x = 29,527.02 × 12,442.02
  4. Step 4: Simplify right side
    21,395.04x = 367,375,773.38
  5. Step 5: Solve for x
    x = 367,375,773.38/21,395.04
  6. Step 6: Final answer
    x = 17,171.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.