Home / 11,068.20-15,293.56-8,848.40

Finding the Fourth Proportional to 11,068.20, 15,293.56 and 8,848.40

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Solution

The fourth proportional to 11,068.20, 15,293.56 and 8,848.40 is: 12,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.20 : 15,293.56 = 8,848.40 : x
  2. Step 2: Convert to fraction form
    11,068.20/15,293.56 = 8,848.40/x
  3. Step 3: Cross multiply
    11,068.20x = 15,293.56 × 8,848.40
  4. Step 4: Simplify right side
    11,068.20x = 135,323,536.30
  5. Step 5: Solve for x
    x = 135,323,536.30/11,068.20
  6. Step 6: Final answer
    x = 12,226.34

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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.