Home / 10,888.19-15,026.01-6,172.78

Finding the Fourth Proportional to 10,888.19, 15,026.01 and 6,172.78

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Solution

The fourth proportional to 10,888.19, 15,026.01 and 6,172.78 is: 8,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.19 : 15,026.01 = 6,172.78 : x
  2. Step 2: Convert to fraction form
    10,888.19/15,026.01 = 6,172.78/x
  3. Step 3: Cross multiply
    10,888.19x = 15,026.01 × 6,172.78
  4. Step 4: Simplify right side
    10,888.19x = 92,752,148.01
  5. Step 5: Solve for x
    x = 92,752,148.01/10,888.19
  6. Step 6: Final answer
    x = 8,518.60

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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.