Home / 13,363.65-18,439.29-7,395.03

Finding the Fourth Proportional to 13,363.65, 18,439.29 and 7,395.03

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Solution

The fourth proportional to 13,363.65, 18,439.29 and 7,395.03 is: 10,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.65 : 18,439.29 = 7,395.03 : x
  2. Step 2: Convert to fraction form
    13,363.65/18,439.29 = 7,395.03/x
  3. Step 3: Cross multiply
    13,363.65x = 18,439.29 × 7,395.03
  4. Step 4: Simplify right side
    13,363.65x = 136,359,102.73
  5. Step 5: Solve for x
    x = 136,359,102.73/13,363.65
  6. Step 6: Final answer
    x = 10,203.73

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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.