Home / 10,280.87-15,427.65-4,039.79

Finding the Fourth Proportional to 10,280.87, 15,427.65 and 4,039.79

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Solution

The fourth proportional to 10,280.87, 15,427.65 and 4,039.79 is: 6,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.87 : 15,427.65 = 4,039.79 : x
  2. Step 2: Convert to fraction form
    10,280.87/15,427.65 = 4,039.79/x
  3. Step 3: Cross multiply
    10,280.87x = 15,427.65 × 4,039.79
  4. Step 4: Simplify right side
    10,280.87x = 62,324,389.06
  5. Step 5: Solve for x
    x = 62,324,389.06/10,280.87
  6. Step 6: Final answer
    x = 6,062.17

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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.