Home / 8,692.47-13,039.16-6,615.72

Finding the Fourth Proportional to 8,692.47, 13,039.16 and 6,615.72

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Solution

The fourth proportional to 8,692.47, 13,039.16 and 6,615.72 is: 9,923.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.47 : 13,039.16 = 6,615.72 : x
  2. Step 2: Convert to fraction form
    8,692.47/13,039.16 = 6,615.72/x
  3. Step 3: Cross multiply
    8,692.47x = 13,039.16 × 6,615.72
  4. Step 4: Simplify right side
    8,692.47x = 86,263,398.52
  5. Step 5: Solve for x
    x = 86,263,398.52/8,692.47
  6. Step 6: Final answer
    x = 9,923.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.