Home / 20,087.39-30,123.77-6,756.41

Finding the Fourth Proportional to 20,087.39, 30,123.77 and 6,756.41

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Solution

The fourth proportional to 20,087.39, 30,123.77 and 6,756.41 is: 10,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.39 : 30,123.77 = 6,756.41 : x
  2. Step 2: Convert to fraction form
    20,087.39/30,123.77 = 6,756.41/x
  3. Step 3: Cross multiply
    20,087.39x = 30,123.77 × 6,756.41
  4. Step 4: Simplify right side
    20,087.39x = 203,528,356.46
  5. Step 5: Solve for x
    x = 203,528,356.46/20,087.39
  6. Step 6: Final answer
    x = 10,132.15

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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.