Home / 18,700.74-28,050.48-5,553.18

Finding the Fourth Proportional to 18,700.74, 28,050.48 and 5,553.18

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Solution

The fourth proportional to 18,700.74, 28,050.48 and 5,553.18 is: 8,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.74 : 28,050.48 = 5,553.18 : x
  2. Step 2: Convert to fraction form
    18,700.74/28,050.48 = 5,553.18/x
  3. Step 3: Cross multiply
    18,700.74x = 28,050.48 × 5,553.18
  4. Step 4: Simplify right side
    18,700.74x = 155,769,364.53
  5. Step 5: Solve for x
    x = 155,769,364.53/18,700.74
  6. Step 6: Final answer
    x = 8,329.58

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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.