Home / 14,696.52-20,280.15-8,321.28

Finding the Fourth Proportional to 14,696.52, 20,280.15 and 8,321.28

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Solution

The fourth proportional to 14,696.52, 20,280.15 and 8,321.28 is: 11,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,696.52 : 20,280.15 = 8,321.28 : x
  2. Step 2: Convert to fraction form
    14,696.52/20,280.15 = 8,321.28/x
  3. Step 3: Cross multiply
    14,696.52x = 20,280.15 × 8,321.28
  4. Step 4: Simplify right side
    14,696.52x = 168,756,806.59
  5. Step 5: Solve for x
    x = 168,756,806.59/14,696.52
  6. Step 6: Final answer
    x = 11,482.77

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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.