Home / 11,538.71-15,923.09-6,502.85

Finding the Fourth Proportional to 11,538.71, 15,923.09 and 6,502.85

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Solution

The fourth proportional to 11,538.71, 15,923.09 and 6,502.85 is: 8,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.71 : 15,923.09 = 6,502.85 : x
  2. Step 2: Convert to fraction form
    11,538.71/15,923.09 = 6,502.85/x
  3. Step 3: Cross multiply
    11,538.71x = 15,923.09 × 6,502.85
  4. Step 4: Simplify right side
    11,538.71x = 103,545,402.45
  5. Step 5: Solve for x
    x = 103,545,402.45/11,538.71
  6. Step 6: Final answer
    x = 8,973.74

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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.