Home / 13,304.18-19,970.15-5,913.88

Finding the Fourth Proportional to 13,304.18, 19,970.15 and 5,913.88

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Solution

The fourth proportional to 13,304.18, 19,970.15 and 5,913.88 is: 8,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.18 : 19,970.15 = 5,913.88 : x
  2. Step 2: Convert to fraction form
    13,304.18/19,970.15 = 5,913.88/x
  3. Step 3: Cross multiply
    13,304.18x = 19,970.15 × 5,913.88
  4. Step 4: Simplify right side
    13,304.18x = 118,100,991.19
  5. Step 5: Solve for x
    x = 118,100,991.19/13,304.18
  6. Step 6: Final answer
    x = 8,876.98

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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.