Home / 11,337.26-15,653.05-10,138.52

Finding the Fourth Proportional to 11,337.26, 15,653.05 and 10,138.52

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Solution

The fourth proportional to 11,337.26, 15,653.05 and 10,138.52 is: 13,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.26 : 15,653.05 = 10,138.52 : x
  2. Step 2: Convert to fraction form
    11,337.26/15,653.05 = 10,138.52/x
  3. Step 3: Cross multiply
    11,337.26x = 15,653.05 × 10,138.52
  4. Step 4: Simplify right side
    11,337.26x = 158,698,774.27
  5. Step 5: Solve for x
    x = 158,698,774.27/11,337.26
  6. Step 6: Final answer
    x = 13,997.99

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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.