Home / 10,921.26-15,071.32-5,953.26

Finding the Fourth Proportional to 10,921.26, 15,071.32 and 5,953.26

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Solution

The fourth proportional to 10,921.26, 15,071.32 and 5,953.26 is: 8,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.26 : 15,071.32 = 5,953.26 : x
  2. Step 2: Convert to fraction form
    10,921.26/15,071.32 = 5,953.26/x
  3. Step 3: Cross multiply
    10,921.26x = 15,071.32 × 5,953.26
  4. Step 4: Simplify right side
    10,921.26x = 89,723,486.50
  5. Step 5: Solve for x
    x = 89,723,486.50/10,921.26
  6. Step 6: Final answer
    x = 8,215.49

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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.