Home / 10,304.92-14,220.81-5,589.22

Finding the Fourth Proportional to 10,304.92, 14,220.81 and 5,589.22

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Solution

The fourth proportional to 10,304.92, 14,220.81 and 5,589.22 is: 7,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304.92 : 14,220.81 = 5,589.22 : x
  2. Step 2: Convert to fraction form
    10,304.92/14,220.81 = 5,589.22/x
  3. Step 3: Cross multiply
    10,304.92x = 14,220.81 × 5,589.22
  4. Step 4: Simplify right side
    10,304.92x = 79,483,235.67
  5. Step 5: Solve for x
    x = 79,483,235.67/10,304.92
  6. Step 6: Final answer
    x = 7,713.13

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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.