Home / 14,257.18-21,386.04-13,486.06

Finding the Fourth Proportional to 14,257.18, 21,386.04 and 13,486.06

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Solution

The fourth proportional to 14,257.18, 21,386.04 and 13,486.06 is: 20,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.18 : 21,386.04 = 13,486.06 : x
  2. Step 2: Convert to fraction form
    14,257.18/21,386.04 = 13,486.06/x
  3. Step 3: Cross multiply
    14,257.18x = 21,386.04 × 13,486.06
  4. Step 4: Simplify right side
    14,257.18x = 288,413,418.60
  5. Step 5: Solve for x
    x = 288,413,418.60/14,257.18
  6. Step 6: Final answer
    x = 20,229.35

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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.