Home / 18,850.74-28,276.08-4,810.76

Finding the Fourth Proportional to 18,850.74, 28,276.08 and 4,810.76

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Solution

The fourth proportional to 18,850.74, 28,276.08 and 4,810.76 is: 7,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.74 : 28,276.08 = 4,810.76 : x
  2. Step 2: Convert to fraction form
    18,850.74/28,276.08 = 4,810.76/x
  3. Step 3: Cross multiply
    18,850.74x = 28,276.08 × 4,810.76
  4. Step 4: Simplify right side
    18,850.74x = 136,029,434.62
  5. Step 5: Solve for x
    x = 136,029,434.62/18,850.74
  6. Step 6: Final answer
    x = 7,216.13

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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.