Home / 38,313.88-57,470.10-10,611.16

Finding the Fourth Proportional to 38,313.88, 57,470.10 and 10,611.16

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Solution

The fourth proportional to 38,313.88, 57,470.10 and 10,611.16 is: 15,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,313.88 : 57,470.10 = 10,611.16 : x
  2. Step 2: Convert to fraction form
    38,313.88/57,470.10 = 10,611.16/x
  3. Step 3: Cross multiply
    38,313.88x = 57,470.10 × 10,611.16
  4. Step 4: Simplify right side
    38,313.88x = 609,824,426.32
  5. Step 5: Solve for x
    x = 609,824,426.32/38,313.88
  6. Step 6: Final answer
    x = 15,916.54

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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.