Home / 10,001.05-13,803.23-5,751.79

Finding the Fourth Proportional to 10,001.05, 13,803.23 and 5,751.79

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Solution

The fourth proportional to 10,001.05, 13,803.23 and 5,751.79 is: 7,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.05 : 13,803.23 = 5,751.79 : x
  2. Step 2: Convert to fraction form
    10,001.05/13,803.23 = 5,751.79/x
  3. Step 3: Cross multiply
    10,001.05x = 13,803.23 × 5,751.79
  4. Step 4: Simplify right side
    10,001.05x = 79,393,280.28
  5. Step 5: Solve for x
    x = 79,393,280.28/10,001.05
  6. Step 6: Final answer
    x = 7,938.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.