Home / 11,259.50-15,538.12-6,291.50

Finding the Fourth Proportional to 11,259.50, 15,538.12 and 6,291.50

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Solution

The fourth proportional to 11,259.50, 15,538.12 and 6,291.50 is: 8,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.50 : 15,538.12 = 6,291.50 : x
  2. Step 2: Convert to fraction form
    11,259.50/15,538.12 = 6,291.50/x
  3. Step 3: Cross multiply
    11,259.50x = 15,538.12 × 6,291.50
  4. Step 4: Simplify right side
    11,259.50x = 97,758,081.98
  5. Step 5: Solve for x
    x = 97,758,081.98/11,259.50
  6. Step 6: Final answer
    x = 8,682.28

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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.