Home / 11,502.14-15,871.01-6,465.69

Finding the Fourth Proportional to 11,502.14, 15,871.01 and 6,465.69

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Solution

The fourth proportional to 11,502.14, 15,871.01 and 6,465.69 is: 8,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.14 : 15,871.01 = 6,465.69 : x
  2. Step 2: Convert to fraction form
    11,502.14/15,871.01 = 6,465.69/x
  3. Step 3: Cross multiply
    11,502.14x = 15,871.01 × 6,465.69
  4. Step 4: Simplify right side
    11,502.14x = 102,617,030.65
  5. Step 5: Solve for x
    x = 102,617,030.65/11,502.14
  6. Step 6: Final answer
    x = 8,921.56

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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.