Home / 14,981.40-22,464.80-7,964.78

Finding the Fourth Proportional to 14,981.40, 22,464.80 and 7,964.78

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Solution

The fourth proportional to 14,981.40, 22,464.80 and 7,964.78 is: 11,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.40 : 22,464.80 = 7,964.78 : x
  2. Step 2: Convert to fraction form
    14,981.40/22,464.80 = 7,964.78/x
  3. Step 3: Cross multiply
    14,981.40x = 22,464.80 × 7,964.78
  4. Step 4: Simplify right side
    14,981.40x = 178,927,097.33
  5. Step 5: Solve for x
    x = 178,927,097.33/14,981.40
  6. Step 6: Final answer
    x = 11,943.28

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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.