Home / 10,888.29-15,025.55-6,173.01

Finding the Fourth Proportional to 10,888.29, 15,025.55 and 6,173.01

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Solution

The fourth proportional to 10,888.29, 15,025.55 and 6,173.01 is: 8,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.29 : 15,025.55 = 6,173.01 : x
  2. Step 2: Convert to fraction form
    10,888.29/15,025.55 = 6,173.01/x
  3. Step 3: Cross multiply
    10,888.29x = 15,025.55 × 6,173.01
  4. Step 4: Simplify right side
    10,888.29x = 92,752,839.54
  5. Step 5: Solve for x
    x = 92,752,839.54/10,888.29
  6. Step 6: Final answer
    x = 8,518.59

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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.