Home / 10,154.50-15,214.32-9,127.33

Finding the Fourth Proportional to 10,154.50, 15,214.32 and 9,127.33

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Solution

The fourth proportional to 10,154.50, 15,214.32 and 9,127.33 is: 13,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.50 : 15,214.32 = 9,127.33 : x
  2. Step 2: Convert to fraction form
    10,154.50/15,214.32 = 9,127.33/x
  3. Step 3: Cross multiply
    10,154.50x = 15,214.32 × 9,127.33
  4. Step 4: Simplify right side
    10,154.50x = 138,866,081.33
  5. Step 5: Solve for x
    x = 138,866,081.33/10,154.50
  6. Step 6: Final answer
    x = 13,675.33

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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.