Home / 12,622.95-17,419.80-6,957.91

Finding the Fourth Proportional to 12,622.95, 17,419.80 and 6,957.91

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Solution

The fourth proportional to 12,622.95, 17,419.80 and 6,957.91 is: 9,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.95 : 17,419.80 = 6,957.91 : x
  2. Step 2: Convert to fraction form
    12,622.95/17,419.80 = 6,957.91/x
  3. Step 3: Cross multiply
    12,622.95x = 17,419.80 × 6,957.91
  4. Step 4: Simplify right side
    12,622.95x = 121,205,278.73
  5. Step 5: Solve for x
    x = 121,205,278.73/12,622.95
  6. Step 6: Final answer
    x = 9,601.98

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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.