Home / 19,303.50-28,955.25-5,452.86

Finding the Fourth Proportional to 19,303.50, 28,955.25 and 5,452.86

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Solution

The fourth proportional to 19,303.50, 28,955.25 and 5,452.86 is: 8,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.50 : 28,955.25 = 5,452.86 : x
  2. Step 2: Convert to fraction form
    19,303.50/28,955.25 = 5,452.86/x
  3. Step 3: Cross multiply
    19,303.50x = 28,955.25 × 5,452.86
  4. Step 4: Simplify right side
    19,303.50x = 157,888,924.52
  5. Step 5: Solve for x
    x = 157,888,924.52/19,303.50
  6. Step 6: Final answer
    x = 8,179.29

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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.