Home / 11,564.90-15,959.60-6,259.74

Finding the Fourth Proportional to 11,564.90, 15,959.60 and 6,259.74

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Solution

The fourth proportional to 11,564.90, 15,959.60 and 6,259.74 is: 8,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,564.90 : 15,959.60 = 6,259.74 : x
  2. Step 2: Convert to fraction form
    11,564.90/15,959.60 = 6,259.74/x
  3. Step 3: Cross multiply
    11,564.90x = 15,959.60 × 6,259.74
  4. Step 4: Simplify right side
    11,564.90x = 99,902,835.41
  5. Step 5: Solve for x
    x = 99,902,835.41/11,564.90
  6. Step 6: Final answer
    x = 8,638.45

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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.