Home / 14,979.40-22,477.20-6,660.70

Finding the Fourth Proportional to 14,979.40, 22,477.20 and 6,660.70

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Solution

The fourth proportional to 14,979.40, 22,477.20 and 6,660.70 is: 9,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.40 : 22,477.20 = 6,660.70 : x
  2. Step 2: Convert to fraction form
    14,979.40/22,477.20 = 6,660.70/x
  3. Step 3: Cross multiply
    14,979.40x = 22,477.20 × 6,660.70
  4. Step 4: Simplify right side
    14,979.40x = 149,713,886.04
  5. Step 5: Solve for x
    x = 149,713,886.04/14,979.40
  6. Step 6: Final answer
    x = 9,994.65

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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.