Home / 10,534.36-15,768.40-7,228.12

Finding the Fourth Proportional to 10,534.36, 15,768.40 and 7,228.12

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Solution

The fourth proportional to 10,534.36, 15,768.40 and 7,228.12 is: 10,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.36 : 15,768.40 = 7,228.12 : x
  2. Step 2: Convert to fraction form
    10,534.36/15,768.40 = 7,228.12/x
  3. Step 3: Cross multiply
    10,534.36x = 15,768.40 × 7,228.12
  4. Step 4: Simplify right side
    10,534.36x = 113,975,887.41
  5. Step 5: Solve for x
    x = 113,975,887.41/10,534.36
  6. Step 6: Final answer
    x = 10,819.44

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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.