Home / 15,687.09-23,538.33-6,911.55

Finding the Fourth Proportional to 15,687.09, 23,538.33 and 6,911.55

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Solution

The fourth proportional to 15,687.09, 23,538.33 and 6,911.55 is: 10,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.09 : 23,538.33 = 6,911.55 : x
  2. Step 2: Convert to fraction form
    15,687.09/23,538.33 = 6,911.55/x
  3. Step 3: Cross multiply
    15,687.09x = 23,538.33 × 6,911.55
  4. Step 4: Simplify right side
    15,687.09x = 162,686,344.71
  5. Step 5: Solve for x
    x = 162,686,344.71/15,687.09
  6. Step 6: Final answer
    x = 10,370.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.