Home / 22,524.23-31,083.57-12,315.29

Finding the Fourth Proportional to 22,524.23, 31,083.57 and 12,315.29

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Solution

The fourth proportional to 22,524.23, 31,083.57 and 12,315.29 is: 16,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,524.23 : 31,083.57 = 12,315.29 : x
  2. Step 2: Convert to fraction form
    22,524.23/31,083.57 = 12,315.29/x
  3. Step 3: Cross multiply
    22,524.23x = 31,083.57 × 12,315.29
  4. Step 4: Simplify right side
    22,524.23x = 382,803,178.79
  5. Step 5: Solve for x
    x = 382,803,178.79/22,524.23
  6. Step 6: Final answer
    x = 16,995.17

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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.