Home / 14,806.40-22,166.40-13,251.20

Finding the Fourth Proportional to 14,806.40, 22,166.40 and 13,251.20

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Solution

The fourth proportional to 14,806.40, 22,166.40 and 13,251.20 is: 19,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806.40 : 22,166.40 = 13,251.20 : x
  2. Step 2: Convert to fraction form
    14,806.40/22,166.40 = 13,251.20/x
  3. Step 3: Cross multiply
    14,806.40x = 22,166.40 × 13,251.20
  4. Step 4: Simplify right side
    14,806.40x = 293,731,399.68
  5. Step 5: Solve for x
    x = 293,731,399.68/14,806.40
  6. Step 6: Final answer
    x = 19,838.14

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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.