Home / 14,449.60-21,652.80-12,246.40

Finding the Fourth Proportional to 14,449.60, 21,652.80 and 12,246.40

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Solution

The fourth proportional to 14,449.60, 21,652.80 and 12,246.40 is: 18,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.60 : 21,652.80 = 12,246.40 : x
  2. Step 2: Convert to fraction form
    14,449.60/21,652.80 = 12,246.40/x
  3. Step 3: Cross multiply
    14,449.60x = 21,652.80 × 12,246.40
  4. Step 4: Simplify right side
    14,449.60x = 265,168,849.92
  5. Step 5: Solve for x
    x = 265,168,849.92/14,449.60
  6. Step 6: Final answer
    x = 18,351.29

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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.