Home / 11,564.47-15,959.01-6,259.28

Finding the Fourth Proportional to 11,564.47, 15,959.01 and 6,259.28

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Solution

The fourth proportional to 11,564.47, 15,959.01 and 6,259.28 is: 8,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,564.47 : 15,959.01 = 6,259.28 : x
  2. Step 2: Convert to fraction form
    11,564.47/15,959.01 = 6,259.28/x
  3. Step 3: Cross multiply
    11,564.47x = 15,959.01 × 6,259.28
  4. Step 4: Simplify right side
    11,564.47x = 99,891,912.11
  5. Step 5: Solve for x
    x = 99,891,912.11/11,564.47
  6. Step 6: Final answer
    x = 8,637.83

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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.