Home / 15,377.09-22,981.38-11,225.84

Finding the Fourth Proportional to 15,377.09, 22,981.38 and 11,225.84

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Solution

The fourth proportional to 15,377.09, 22,981.38 and 11,225.84 is: 16,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377.09 : 22,981.38 = 11,225.84 : x
  2. Step 2: Convert to fraction form
    15,377.09/22,981.38 = 11,225.84/x
  3. Step 3: Cross multiply
    15,377.09x = 22,981.38 × 11,225.84
  4. Step 4: Simplify right side
    15,377.09x = 257,985,294.86
  5. Step 5: Solve for x
    x = 257,985,294.86/15,377.09
  6. Step 6: Final answer
    x = 16,777.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.