Home / 18,947.22-28,420.88-5,799.53

Finding the Fourth Proportional to 18,947.22, 28,420.88 and 5,799.53

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Solution

The fourth proportional to 18,947.22, 28,420.88 and 5,799.53 is: 8,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.22 : 28,420.88 = 5,799.53 : x
  2. Step 2: Convert to fraction form
    18,947.22/28,420.88 = 5,799.53/x
  3. Step 3: Cross multiply
    18,947.22x = 28,420.88 × 5,799.53
  4. Step 4: Simplify right side
    18,947.22x = 164,827,788.24
  5. Step 5: Solve for x
    x = 164,827,788.24/18,947.22
  6. Step 6: Final answer
    x = 8,699.31

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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.