Home / 13,061.21-18,024.32-7,395.80

Finding the Fourth Proportional to 13,061.21, 18,024.32 and 7,395.80

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Solution

The fourth proportional to 13,061.21, 18,024.32 and 7,395.80 is: 10,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061.21 : 18,024.32 = 7,395.80 : x
  2. Step 2: Convert to fraction form
    13,061.21/18,024.32 = 7,395.80/x
  3. Step 3: Cross multiply
    13,061.21x = 18,024.32 × 7,395.80
  4. Step 4: Simplify right side
    13,061.21x = 133,304,138.76
  5. Step 5: Solve for x
    x = 133,304,138.76/13,061.21
  6. Step 6: Final answer
    x = 10,206.11

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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.