Home / 14,265.19-21,351.30-12,901.06

Finding the Fourth Proportional to 14,265.19, 21,351.30 and 12,901.06

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Solution

The fourth proportional to 14,265.19, 21,351.30 and 12,901.06 is: 19,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.19 : 21,351.30 = 12,901.06 : x
  2. Step 2: Convert to fraction form
    14,265.19/21,351.30 = 12,901.06/x
  3. Step 3: Cross multiply
    14,265.19x = 21,351.30 × 12,901.06
  4. Step 4: Simplify right side
    14,265.19x = 275,454,402.38
  5. Step 5: Solve for x
    x = 275,454,402.38/14,265.19
  6. Step 6: Final answer
    x = 19,309.55

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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.