Home / 10,436.87-15,647.87-4,887.18

Finding the Fourth Proportional to 10,436.87, 15,647.87 and 4,887.18

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Solution

The fourth proportional to 10,436.87, 15,647.87 and 4,887.18 is: 7,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.87 : 15,647.87 = 4,887.18 : x
  2. Step 2: Convert to fraction form
    10,436.87/15,647.87 = 4,887.18/x
  3. Step 3: Cross multiply
    10,436.87x = 15,647.87 × 4,887.18
  4. Step 4: Simplify right side
    10,436.87x = 76,473,969.52
  5. Step 5: Solve for x
    x = 76,473,969.52/10,436.87
  6. Step 6: Final answer
    x = 7,327.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.