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Finding the Fourth Proportional to 11,564.57, 15,958.95 and 6,259.28

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Solution

The fourth proportional to 11,564.57, 15,958.95 and 6,259.28 is: 8,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,564.57 : 15,958.95 = 6,259.28 : x
  2. Step 2: Convert to fraction form
    11,564.57/15,958.95 = 6,259.28/x
  3. Step 3: Cross multiply
    11,564.57x = 15,958.95 × 6,259.28
  4. Step 4: Simplify right side
    11,564.57x = 99,891,536.56
  5. Step 5: Solve for x
    x = 99,891,536.56/11,564.57
  6. Step 6: Final answer
    x = 8,637.72

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1.5x scale

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.