Home / 21,277.13-29,362.46-12,325.14

Finding the Fourth Proportional to 21,277.13, 29,362.46 and 12,325.14

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Solution

The fourth proportional to 21,277.13, 29,362.46 and 12,325.14 is: 17,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.13 : 29,362.46 = 12,325.14 : x
  2. Step 2: Convert to fraction form
    21,277.13/29,362.46 = 12,325.14/x
  3. Step 3: Cross multiply
    21,277.13x = 29,362.46 × 12,325.14
  4. Step 4: Simplify right side
    21,277.13x = 361,896,368.62
  5. Step 5: Solve for x
    x = 361,896,368.62/21,277.13
  6. Step 6: Final answer
    x = 17,008.71

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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.