Home / 11,564.72-15,959.32-6,259.60

Finding the Fourth Proportional to 11,564.72, 15,959.32 and 6,259.60

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Solution

The fourth proportional to 11,564.72, 15,959.32 and 6,259.60 is: 8,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,564.72 : 15,959.32 = 6,259.60 : x
  2. Step 2: Convert to fraction form
    11,564.72/15,959.32 = 6,259.60/x
  3. Step 3: Cross multiply
    11,564.72x = 15,959.32 × 6,259.60
  4. Step 4: Simplify right side
    11,564.72x = 99,898,959.47
  5. Step 5: Solve for x
    x = 99,898,959.47/11,564.72
  6. Step 6: Final answer
    x = 8,638.25

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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.