Home / 21,337.06-29,444.07-11,903.80

Finding the Fourth Proportional to 21,337.06, 29,444.07 and 11,903.80

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Solution

The fourth proportional to 21,337.06, 29,444.07 and 11,903.80 is: 16,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.06 : 29,444.07 = 11,903.80 : x
  2. Step 2: Convert to fraction form
    21,337.06/29,444.07 = 11,903.80/x
  3. Step 3: Cross multiply
    21,337.06x = 29,444.07 × 11,903.80
  4. Step 4: Simplify right side
    21,337.06x = 350,496,320.47
  5. Step 5: Solve for x
    x = 350,496,320.47/21,337.06
  6. Step 6: Final answer
    x = 16,426.65

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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.