Home / 13,298.60-19,947.94-12,486.68

Finding the Fourth Proportional to 13,298.60, 19,947.94 and 12,486.68

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Solution

The fourth proportional to 13,298.60, 19,947.94 and 12,486.68 is: 18,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.60 : 19,947.94 = 12,486.68 : x
  2. Step 2: Convert to fraction form
    13,298.60/19,947.94 = 12,486.68/x
  3. Step 3: Cross multiply
    13,298.60x = 19,947.94 × 12,486.68
  4. Step 4: Simplify right side
    13,298.60x = 249,083,543.44
  5. Step 5: Solve for x
    x = 249,083,543.44/13,298.60
  6. Step 6: Final answer
    x = 18,730.06

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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.