Home / 10,237.71-15,350.26-3,990.45

Finding the Fourth Proportional to 10,237.71, 15,350.26 and 3,990.45

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Solution

The fourth proportional to 10,237.71, 15,350.26 and 3,990.45 is: 5,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.71 : 15,350.26 = 3,990.45 : x
  2. Step 2: Convert to fraction form
    10,237.71/15,350.26 = 3,990.45/x
  3. Step 3: Cross multiply
    10,237.71x = 15,350.26 × 3,990.45
  4. Step 4: Simplify right side
    10,237.71x = 61,254,445.02
  5. Step 5: Solve for x
    x = 61,254,445.02/10,237.71
  6. Step 6: Final answer
    x = 5,983.22

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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.