Home / 14,995.31-22,506.61-7,981.21

Finding the Fourth Proportional to 14,995.31, 22,506.61 and 7,981.21

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Solution

The fourth proportional to 14,995.31, 22,506.61 and 7,981.21 is: 11,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.31 : 22,506.61 = 7,981.21 : x
  2. Step 2: Convert to fraction form
    14,995.31/22,506.61 = 7,981.21/x
  3. Step 3: Cross multiply
    14,995.31x = 22,506.61 × 7,981.21
  4. Step 4: Simplify right side
    14,995.31x = 179,629,904.58
  5. Step 5: Solve for x
    x = 179,629,904.58/14,995.31
  6. Step 6: Final answer
    x = 11,979.08

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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.