Home / 13,327.10-19,985.76-11,352.08

Finding the Fourth Proportional to 13,327.10, 19,985.76 and 11,352.08

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Solution

The fourth proportional to 13,327.10, 19,985.76 and 11,352.08 is: 17,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.10 : 19,985.76 = 11,352.08 : x
  2. Step 2: Convert to fraction form
    13,327.10/19,985.76 = 11,352.08/x
  3. Step 3: Cross multiply
    13,327.10x = 19,985.76 × 11,352.08
  4. Step 4: Simplify right side
    13,327.10x = 226,879,946.38
  5. Step 5: Solve for x
    x = 226,879,946.38/13,327.10
  6. Step 6: Final answer
    x = 17,023.95

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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.