Home / 19,204.96-28,806.48-7,520.32

Finding the Fourth Proportional to 19,204.96, 28,806.48 and 7,520.32

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Solution

The fourth proportional to 19,204.96, 28,806.48 and 7,520.32 is: 11,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.96 : 28,806.48 = 7,520.32 : x
  2. Step 2: Convert to fraction form
    19,204.96/28,806.48 = 7,520.32/x
  3. Step 3: Cross multiply
    19,204.96x = 28,806.48 × 7,520.32
  4. Step 4: Simplify right side
    19,204.96x = 216,633,947.67
  5. Step 5: Solve for x
    x = 216,633,947.67/19,204.96
  6. Step 6: Final answer
    x = 11,280.10

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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.