Home / 40,769.13-61,153.16-11,186.94

Finding the Fourth Proportional to 40,769.13, 61,153.16 and 11,186.94

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Solution

The fourth proportional to 40,769.13, 61,153.16 and 11,186.94 is: 16,780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,769.13 : 61,153.16 = 11,186.94 : x
  2. Step 2: Convert to fraction form
    40,769.13/61,153.16 = 11,186.94/x
  3. Step 3: Cross multiply
    40,769.13x = 61,153.16 × 11,186.94
  4. Step 4: Simplify right side
    40,769.13x = 684,116,675.80
  5. Step 5: Solve for x
    x = 684,116,675.80/40,769.13
  6. Step 6: Final answer
    x = 16,780.26

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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.