Home / 13,043.60-19,563.40-4,278.52

Finding the Fourth Proportional to 13,043.60, 19,563.40 and 4,278.52

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Solution

The fourth proportional to 13,043.60, 19,563.40 and 4,278.52 is: 6,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.60 : 19,563.40 = 4,278.52 : x
  2. Step 2: Convert to fraction form
    13,043.60/19,563.40 = 4,278.52/x
  3. Step 3: Cross multiply
    13,043.60x = 19,563.40 × 4,278.52
  4. Step 4: Simplify right side
    13,043.60x = 83,702,398.17
  5. Step 5: Solve for x
    x = 83,702,398.17/13,043.60
  6. Step 6: Final answer
    x = 6,417.12

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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.