Home / 14,513.28-20,009.53-9,399.70

Finding the Fourth Proportional to 14,513.28, 20,009.53 and 9,399.70

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Solution

The fourth proportional to 14,513.28, 20,009.53 and 9,399.70 is: 12,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.28 : 20,009.53 = 9,399.70 : x
  2. Step 2: Convert to fraction form
    14,513.28/20,009.53 = 9,399.70/x
  3. Step 3: Cross multiply
    14,513.28x = 20,009.53 × 9,399.70
  4. Step 4: Simplify right side
    14,513.28x = 188,083,503.35
  5. Step 5: Solve for x
    x = 188,083,503.35/14,513.28
  6. Step 6: Final answer
    x = 12,959.41

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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.