Home / 22,656.29-31,266.09-12,585.65

Finding the Fourth Proportional to 22,656.29, 31,266.09 and 12,585.65

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Solution

The fourth proportional to 22,656.29, 31,266.09 and 12,585.65 is: 17,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.29 : 31,266.09 = 12,585.65 : x
  2. Step 2: Convert to fraction form
    22,656.29/31,266.09 = 12,585.65/x
  3. Step 3: Cross multiply
    22,656.29x = 31,266.09 × 12,585.65
  4. Step 4: Simplify right side
    22,656.29x = 393,504,143.77
  5. Step 5: Solve for x
    x = 393,504,143.77/22,656.29
  6. Step 6: Final answer
    x = 17,368.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.