Home / 10,430.35-15,625.36-5,799.31

Finding the Fourth Proportional to 10,430.35, 15,625.36 and 5,799.31

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Solution

The fourth proportional to 10,430.35, 15,625.36 and 5,799.31 is: 8,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.35 : 15,625.36 = 5,799.31 : x
  2. Step 2: Convert to fraction form
    10,430.35/15,625.36 = 5,799.31/x
  3. Step 3: Cross multiply
    10,430.35x = 15,625.36 × 5,799.31
  4. Step 4: Simplify right side
    10,430.35x = 90,616,306.50
  5. Step 5: Solve for x
    x = 90,616,306.50/10,430.35
  6. Step 6: Final answer
    x = 8,687.75

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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.