Home / 21,247.16-29,324.70-12,294.92

Finding the Fourth Proportional to 21,247.16, 29,324.70 and 12,294.92

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Solution

The fourth proportional to 21,247.16, 29,324.70 and 12,294.92 is: 16,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,247.16 : 29,324.70 = 12,294.92 : x
  2. Step 2: Convert to fraction form
    21,247.16/29,324.70 = 12,294.92/x
  3. Step 3: Cross multiply
    21,247.16x = 29,324.70 × 12,294.92
  4. Step 4: Simplify right side
    21,247.16x = 360,544,840.52
  5. Step 5: Solve for x
    x = 360,544,840.52/21,247.16
  6. Step 6: Final answer
    x = 16,969.08

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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.