Home / 10,430.20-14,393.10-5,713.54

Finding the Fourth Proportional to 10,430.20, 14,393.10 and 5,713.54

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Solution

The fourth proportional to 10,430.20, 14,393.10 and 5,713.54 is: 7,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.20 : 14,393.10 = 5,713.54 : x
  2. Step 2: Convert to fraction form
    10,430.20/14,393.10 = 5,713.54/x
  3. Step 3: Cross multiply
    10,430.20x = 14,393.10 × 5,713.54
  4. Step 4: Simplify right side
    10,430.20x = 82,235,552.57
  5. Step 5: Solve for x
    x = 82,235,552.57/10,430.20
  6. Step 6: Final answer
    x = 7,884.37

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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.