Home / 18,811.77-28,210.50-6,158.58

Finding the Fourth Proportional to 18,811.77, 28,210.50 and 6,158.58

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Solution

The fourth proportional to 18,811.77, 28,210.50 and 6,158.58 is: 9,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.77 : 28,210.50 = 6,158.58 : x
  2. Step 2: Convert to fraction form
    18,811.77/28,210.50 = 6,158.58/x
  3. Step 3: Cross multiply
    18,811.77x = 28,210.50 × 6,158.58
  4. Step 4: Simplify right side
    18,811.77x = 173,736,621.09
  5. Step 5: Solve for x
    x = 173,736,621.09/18,811.77
  6. Step 6: Final answer
    x = 9,235.53

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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.