Home / 10,935.45-15,094.57-7,349.21

Finding the Fourth Proportional to 10,935.45, 15,094.57 and 7,349.21

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Solution

The fourth proportional to 10,935.45, 15,094.57 and 7,349.21 is: 10,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.45 : 15,094.57 = 7,349.21 : x
  2. Step 2: Convert to fraction form
    10,935.45/15,094.57 = 7,349.21/x
  3. Step 3: Cross multiply
    10,935.45x = 15,094.57 × 7,349.21
  4. Step 4: Simplify right side
    10,935.45x = 110,933,141.33
  5. Step 5: Solve for x
    x = 110,933,141.33/10,935.45
  6. Step 6: Final answer
    x = 10,144.36

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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.