Home / 9,186.46-12,681.21-6,206.35

Finding the Fourth Proportional to 9,186.46, 12,681.21 and 6,206.35

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Solution

The fourth proportional to 9,186.46, 12,681.21 and 6,206.35 is: 8,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.46 : 12,681.21 = 6,206.35 : x
  2. Step 2: Convert to fraction form
    9,186.46/12,681.21 = 6,206.35/x
  3. Step 3: Cross multiply
    9,186.46x = 12,681.21 × 6,206.35
  4. Step 4: Simplify right side
    9,186.46x = 78,704,027.68
  5. Step 5: Solve for x
    x = 78,704,027.68/9,186.46
  6. Step 6: Final answer
    x = 8,567.39

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Half scale
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Double scale
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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.