Home / 11,105.87-15,325.84-6,070.10

Finding the Fourth Proportional to 11,105.87, 15,325.84 and 6,070.10

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Solution

The fourth proportional to 11,105.87, 15,325.84 and 6,070.10 is: 8,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.87 : 15,325.84 = 6,070.10 : x
  2. Step 2: Convert to fraction form
    11,105.87/15,325.84 = 6,070.10/x
  3. Step 3: Cross multiply
    11,105.87x = 15,325.84 × 6,070.10
  4. Step 4: Simplify right side
    11,105.87x = 93,029,381.38
  5. Step 5: Solve for x
    x = 93,029,381.38/11,105.87
  6. Step 6: Final answer
    x = 8,376.60

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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.