Home / 11,564.30-15,958.70-6,259.20

Finding the Fourth Proportional to 11,564.30, 15,958.70 and 6,259.20

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Solution

The fourth proportional to 11,564.30, 15,958.70 and 6,259.20 is: 8,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,564.30 : 15,958.70 = 6,259.20 : x
  2. Step 2: Convert to fraction form
    11,564.30/15,958.70 = 6,259.20/x
  3. Step 3: Cross multiply
    11,564.30x = 15,958.70 × 6,259.20
  4. Step 4: Simplify right side
    11,564.30x = 99,888,663.74
  5. Step 5: Solve for x
    x = 99,888,663.74/11,564.30
  6. Step 6: Final answer
    x = 8,637.68

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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.