Home / 21,569.14-32,340.95-8,406.15

Finding the Fourth Proportional to 21,569.14, 32,340.95 and 8,406.15

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Solution

The fourth proportional to 21,569.14, 32,340.95 and 8,406.15 is: 12,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.14 : 32,340.95 = 8,406.15 : x
  2. Step 2: Convert to fraction form
    21,569.14/32,340.95 = 8,406.15/x
  3. Step 3: Cross multiply
    21,569.14x = 32,340.95 × 8,406.15
  4. Step 4: Simplify right side
    21,569.14x = 271,862,876.84
  5. Step 5: Solve for x
    x = 271,862,876.84/21,569.14
  6. Step 6: Final answer
    x = 12,604.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.