Home / 9,669.42-13,343.72-8,875.97

Finding the Fourth Proportional to 9,669.42, 13,343.72 and 8,875.97

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Solution

The fourth proportional to 9,669.42, 13,343.72 and 8,875.97 is: 12,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.42 : 13,343.72 = 8,875.97 : x
  2. Step 2: Convert to fraction form
    9,669.42/13,343.72 = 8,875.97/x
  3. Step 3: Cross multiply
    9,669.42x = 13,343.72 × 8,875.97
  4. Step 4: Simplify right side
    9,669.42x = 118,438,347.31
  5. Step 5: Solve for x
    x = 118,438,347.31/9,669.42
  6. Step 6: Final answer
    x = 12,248.75

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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.