Home / 16,352.15-22,570.80-9,639.95

Finding the Fourth Proportional to 16,352.15, 22,570.80 and 9,639.95

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Solution

The fourth proportional to 16,352.15, 22,570.80 and 9,639.95 is: 13,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,352.15 : 22,570.80 = 9,639.95 : x
  2. Step 2: Convert to fraction form
    16,352.15/22,570.80 = 9,639.95/x
  3. Step 3: Cross multiply
    16,352.15x = 22,570.80 × 9,639.95
  4. Step 4: Simplify right side
    16,352.15x = 217,581,383.46
  5. Step 5: Solve for x
    x = 217,581,383.46/16,352.15
  6. Step 6: Final answer
    x = 13,305.98

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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.