Home / 11,279.51-15,567.32-6,565.31

Finding the Fourth Proportional to 11,279.51, 15,567.32 and 6,565.31

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Solution

The fourth proportional to 11,279.51, 15,567.32 and 6,565.31 is: 9,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.51 : 15,567.32 = 6,565.31 : x
  2. Step 2: Convert to fraction form
    11,279.51/15,567.32 = 6,565.31/x
  3. Step 3: Cross multiply
    11,279.51x = 15,567.32 × 6,565.31
  4. Step 4: Simplify right side
    11,279.51x = 102,204,248.84
  5. Step 5: Solve for x
    x = 102,204,248.84/11,279.51
  6. Step 6: Final answer
    x = 9,061.05

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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.