Home / 9,106.64-12,567.76-6,864.56

Finding the Fourth Proportional to 9,106.64, 12,567.76 and 6,864.56

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Solution

The fourth proportional to 9,106.64, 12,567.76 and 6,864.56 is: 9,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.64 : 12,567.76 = 6,864.56 : x
  2. Step 2: Convert to fraction form
    9,106.64/12,567.76 = 6,864.56/x
  3. Step 3: Cross multiply
    9,106.64x = 12,567.76 × 6,864.56
  4. Step 4: Simplify right side
    9,106.64x = 86,272,142.59
  5. Step 5: Solve for x
    x = 86,272,142.59/9,106.64
  6. Step 6: Final answer
    x = 9,473.54

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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.