Home / 13,888.41-20,820.30-10,374.17

Finding the Fourth Proportional to 13,888.41, 20,820.30 and 10,374.17

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Solution

The fourth proportional to 13,888.41, 20,820.30 and 10,374.17 is: 15,552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.41 : 20,820.30 = 10,374.17 : x
  2. Step 2: Convert to fraction form
    13,888.41/20,820.30 = 10,374.17/x
  3. Step 3: Cross multiply
    13,888.41x = 20,820.30 × 10,374.17
  4. Step 4: Simplify right side
    13,888.41x = 215,993,331.65
  5. Step 5: Solve for x
    x = 215,993,331.65/13,888.41
  6. Step 6: Final answer
    x = 15,552.06

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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.