Home / 14,904.68-20,569.38-8,280.68

Finding the Fourth Proportional to 14,904.68, 20,569.38 and 8,280.68

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Solution

The fourth proportional to 14,904.68, 20,569.38 and 8,280.68 is: 11,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.68 : 20,569.38 = 8,280.68 : x
  2. Step 2: Convert to fraction form
    14,904.68/20,569.38 = 8,280.68/x
  3. Step 3: Cross multiply
    14,904.68x = 20,569.38 × 8,280.68
  4. Step 4: Simplify right side
    14,904.68x = 170,328,453.58
  5. Step 5: Solve for x
    x = 170,328,453.58/14,904.68
  6. Step 6: Final answer
    x = 11,427.85

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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.