Home / 11,030.64-15,211.90-8,508.74

Finding the Fourth Proportional to 11,030.64, 15,211.90 and 8,508.74

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Solution

The fourth proportional to 11,030.64, 15,211.90 and 8,508.74 is: 11,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.64 : 15,211.90 = 8,508.74 : x
  2. Step 2: Convert to fraction form
    11,030.64/15,211.90 = 8,508.74/x
  3. Step 3: Cross multiply
    11,030.64x = 15,211.90 × 8,508.74
  4. Step 4: Simplify right side
    11,030.64x = 129,434,036.58
  5. Step 5: Solve for x
    x = 129,434,036.58/11,030.64
  6. Step 6: Final answer
    x = 11,734.05

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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.