Home / 9,103.05-12,557.70-5,560.11

Finding the Fourth Proportional to 9,103.05, 12,557.70 and 5,560.11

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Solution

The fourth proportional to 9,103.05, 12,557.70 and 5,560.11 is: 7,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.05 : 12,557.70 = 5,560.11 : x
  2. Step 2: Convert to fraction form
    9,103.05/12,557.70 = 5,560.11/x
  3. Step 3: Cross multiply
    9,103.05x = 12,557.70 × 5,560.11
  4. Step 4: Simplify right side
    9,103.05x = 69,822,193.35
  5. Step 5: Solve for x
    x = 69,822,193.35/9,103.05
  6. Step 6: Final answer
    x = 7,670.20

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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.