Home / 10,343.49-15,502.08-5,077.23

Finding the Fourth Proportional to 10,343.49, 15,502.08 and 5,077.23

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Solution

The fourth proportional to 10,343.49, 15,502.08 and 5,077.23 is: 7,609.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.49 : 15,502.08 = 5,077.23 : x
  2. Step 2: Convert to fraction form
    10,343.49/15,502.08 = 5,077.23/x
  3. Step 3: Cross multiply
    10,343.49x = 15,502.08 × 5,077.23
  4. Step 4: Simplify right side
    10,343.49x = 78,707,625.64
  5. Step 5: Solve for x
    x = 78,707,625.64/10,343.49
  6. Step 6: Final answer
    x = 7,609.39

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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.