Home / 13,250.18-19,875.96-3,389.55

Finding the Fourth Proportional to 13,250.18, 19,875.96 and 3,389.55

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Solution

The fourth proportional to 13,250.18, 19,875.96 and 3,389.55 is: 5,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.18 : 19,875.96 = 3,389.55 : x
  2. Step 2: Convert to fraction form
    13,250.18/19,875.96 = 3,389.55/x
  3. Step 3: Cross multiply
    13,250.18x = 19,875.96 × 3,389.55
  4. Step 4: Simplify right side
    13,250.18x = 67,370,452.36
  5. Step 5: Solve for x
    x = 67,370,452.36/13,250.18
  6. Step 6: Final answer
    x = 5,084.49

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1.5x scale

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.