Home / 22,368.24-30,871.44-12,934.80

Finding the Fourth Proportional to 22,368.24, 30,871.44 and 12,934.80

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Solution

The fourth proportional to 22,368.24, 30,871.44 and 12,934.80 is: 17,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.24 : 30,871.44 = 12,934.80 : x
  2. Step 2: Convert to fraction form
    22,368.24/30,871.44 = 12,934.80/x
  3. Step 3: Cross multiply
    22,368.24x = 30,871.44 × 12,934.80
  4. Step 4: Simplify right side
    22,368.24x = 399,315,902.11
  5. Step 5: Solve for x
    x = 399,315,902.11/22,368.24
  6. Step 6: Final answer
    x = 17,851.91

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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.