Home / 9,612.48-13,265.46-5,421

Finding the Fourth Proportional to 9,612.48, 13,265.46 and 5,421

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Solution

The fourth proportional to 9,612.48, 13,265.46 and 5,421 is: 7,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.48 : 13,265.46 = 5,421 : x
  2. Step 2: Convert to fraction form
    9,612.48/13,265.46 = 5,421/x
  3. Step 3: Cross multiply
    9,612.48x = 13,265.46 × 5,421
  4. Step 4: Simplify right side
    9,612.48x = 71,912,058.66
  5. Step 5: Solve for x
    x = 71,912,058.66/9,612.48
  6. Step 6: Final answer
    x = 7,481.11

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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.