Home / 10,165.36-15,253.26-7,699.36

Finding the Fourth Proportional to 10,165.36, 15,253.26 and 7,699.36

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Solution

The fourth proportional to 10,165.36, 15,253.26 and 7,699.36 is: 11,552.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.36 : 15,253.26 = 7,699.36 : x
  2. Step 2: Convert to fraction form
    10,165.36/15,253.26 = 7,699.36/x
  3. Step 3: Cross multiply
    10,165.36x = 15,253.26 × 7,699.36
  4. Step 4: Simplify right side
    10,165.36x = 117,440,339.91
  5. Step 5: Solve for x
    x = 117,440,339.91/10,165.36
  6. Step 6: Final answer
    x = 11,552.99

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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.