Home / 22,206.06-30,644.76-12,134.93

Finding the Fourth Proportional to 22,206.06, 30,644.76 and 12,134.93

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Solution

The fourth proportional to 22,206.06, 30,644.76 and 12,134.93 is: 16,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.06 : 30,644.76 = 12,134.93 : x
  2. Step 2: Convert to fraction form
    22,206.06/30,644.76 = 12,134.93/x
  3. Step 3: Cross multiply
    22,206.06x = 30,644.76 × 12,134.93
  4. Step 4: Simplify right side
    22,206.06x = 371,871,909.75
  5. Step 5: Solve for x
    x = 371,871,909.75/22,206.06
  6. Step 6: Final answer
    x = 16,746.42

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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.