Home / 11,307.52-15,590.82-10,684

Finding the Fourth Proportional to 11,307.52, 15,590.82 and 10,684

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Solution

The fourth proportional to 11,307.52, 15,590.82 and 10,684 is: 14,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.52 : 15,590.82 = 10,684 : x
  2. Step 2: Convert to fraction form
    11,307.52/15,590.82 = 10,684/x
  3. Step 3: Cross multiply
    11,307.52x = 15,590.82 × 10,684
  4. Step 4: Simplify right side
    11,307.52x = 166,572,320.88
  5. Step 5: Solve for x
    x = 166,572,320.88/11,307.52
  6. Step 6: Final answer
    x = 14,731.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.