Home / 22,596.79-31,183.04-13,036.70

Finding the Fourth Proportional to 22,596.79, 31,183.04 and 13,036.70

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Solution

The fourth proportional to 22,596.79, 31,183.04 and 13,036.70 is: 17,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,596.79 : 31,183.04 = 13,036.70 : x
  2. Step 2: Convert to fraction form
    22,596.79/31,183.04 = 13,036.70/x
  3. Step 3: Cross multiply
    22,596.79x = 31,183.04 × 13,036.70
  4. Step 4: Simplify right side
    22,596.79x = 406,523,937.57
  5. Step 5: Solve for x
    x = 406,523,937.57/22,596.79
  6. Step 6: Final answer
    x = 17,990.34

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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.