Home / 13,298.40-19,948.29-3,437.77

Finding the Fourth Proportional to 13,298.40, 19,948.29 and 3,437.77

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Solution

The fourth proportional to 13,298.40, 19,948.29 and 3,437.77 is: 5,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.40 : 19,948.29 = 3,437.77 : x
  2. Step 2: Convert to fraction form
    13,298.40/19,948.29 = 3,437.77/x
  3. Step 3: Cross multiply
    13,298.40x = 19,948.29 × 3,437.77
  4. Step 4: Simplify right side
    13,298.40x = 68,577,532.75
  5. Step 5: Solve for x
    x = 68,577,532.75/13,298.40
  6. Step 6: Final answer
    x = 5,156.83

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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.