Home / 40,189.18-60,286.28-10,607.06

Finding the Fourth Proportional to 40,189.18, 60,286.28 and 10,607.06

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Solution

The fourth proportional to 40,189.18, 60,286.28 and 10,607.06 is: 15,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.18 : 60,286.28 = 10,607.06 : x
  2. Step 2: Convert to fraction form
    40,189.18/60,286.28 = 10,607.06/x
  3. Step 3: Cross multiply
    40,189.18x = 60,286.28 × 10,607.06
  4. Step 4: Simplify right side
    40,189.18x = 639,460,189.14
  5. Step 5: Solve for x
    x = 639,460,189.14/40,189.18
  6. Step 6: Final answer
    x = 15,911.25

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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.