Home / 20,552.98-30,816.51-11,325.46

Finding the Fourth Proportional to 20,552.98, 30,816.51 and 11,325.46

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Solution

The fourth proportional to 20,552.98, 30,816.51 and 11,325.46 is: 16,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.98 : 30,816.51 = 11,325.46 : x
  2. Step 2: Convert to fraction form
    20,552.98/30,816.51 = 11,325.46/x
  3. Step 3: Cross multiply
    20,552.98x = 30,816.51 × 11,325.46
  4. Step 4: Simplify right side
    20,552.98x = 349,011,151.34
  5. Step 5: Solve for x
    x = 349,011,151.34/20,552.98
  6. Step 6: Final answer
    x = 16,981.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.