Home / 22,108.40-30,510.14-12,037.39

Finding the Fourth Proportional to 22,108.40, 30,510.14 and 12,037.39

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Solution

The fourth proportional to 22,108.40, 30,510.14 and 12,037.39 is: 16,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.40 : 30,510.14 = 12,037.39 : x
  2. Step 2: Convert to fraction form
    22,108.40/30,510.14 = 12,037.39/x
  3. Step 3: Cross multiply
    22,108.40x = 30,510.14 × 12,037.39
  4. Step 4: Simplify right side
    22,108.40x = 367,262,407.95
  5. Step 5: Solve for x
    x = 367,262,407.95/22,108.40
  6. Step 6: Final answer
    x = 16,611.89

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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.