Home / 18,960.75-28,448.69-9,595.71

Finding the Fourth Proportional to 18,960.75, 28,448.69 and 9,595.71

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Solution

The fourth proportional to 18,960.75, 28,448.69 and 9,595.71 is: 14,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.75 : 28,448.69 = 9,595.71 : x
  2. Step 2: Convert to fraction form
    18,960.75/28,448.69 = 9,595.71/x
  3. Step 3: Cross multiply
    18,960.75x = 28,448.69 × 9,595.71
  4. Step 4: Simplify right side
    18,960.75x = 272,985,331.14
  5. Step 5: Solve for x
    x = 272,985,331.14/18,960.75
  6. Step 6: Final answer
    x = 14,397.39

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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.