Home / 13,319.80-19,964.31-9,567.34

Finding the Fourth Proportional to 13,319.80, 19,964.31 and 9,567.34

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Solution

The fourth proportional to 13,319.80, 19,964.31 and 9,567.34 is: 14,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.80 : 19,964.31 = 9,567.34 : x
  2. Step 2: Convert to fraction form
    13,319.80/19,964.31 = 9,567.34/x
  3. Step 3: Cross multiply
    13,319.80x = 19,964.31 × 9,567.34
  4. Step 4: Simplify right side
    13,319.80x = 191,005,341.64
  5. Step 5: Solve for x
    x = 191,005,341.64/13,319.80
  6. Step 6: Final answer
    x = 14,339.96

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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.