Home / 19,104.60-28,642.56-6,620.24

Finding the Fourth Proportional to 19,104.60, 28,642.56 and 6,620.24

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Solution

The fourth proportional to 19,104.60, 28,642.56 and 6,620.24 is: 9,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.60 : 28,642.56 = 6,620.24 : x
  2. Step 2: Convert to fraction form
    19,104.60/28,642.56 = 6,620.24/x
  3. Step 3: Cross multiply
    19,104.60x = 28,642.56 × 6,620.24
  4. Step 4: Simplify right side
    19,104.60x = 189,620,621.41
  5. Step 5: Solve for x
    x = 189,620,621.41/19,104.60
  6. Step 6: Final answer
    x = 9,925.39

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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.