Home / 40,187.18-60,283.28-10,605.05

Finding the Fourth Proportional to 40,187.18, 60,283.28 and 10,605.05

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Solution

The fourth proportional to 40,187.18, 60,283.28 and 10,605.05 is: 15,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,187.18 : 60,283.28 = 10,605.05 : x
  2. Step 2: Convert to fraction form
    40,187.18/60,283.28 = 10,605.05/x
  3. Step 3: Cross multiply
    40,187.18x = 60,283.28 × 10,605.05
  4. Step 4: Simplify right side
    40,187.18x = 639,307,198.56
  5. Step 5: Solve for x
    x = 639,307,198.56/40,187.18
  6. Step 6: Final answer
    x = 15,908.24

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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.