Home / 10,851.24-16,246.05-7,142.28

Finding the Fourth Proportional to 10,851.24, 16,246.05 and 7,142.28

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Solution

The fourth proportional to 10,851.24, 16,246.05 and 7,142.28 is: 10,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.24 : 16,246.05 = 7,142.28 : x
  2. Step 2: Convert to fraction form
    10,851.24/16,246.05 = 7,142.28/x
  3. Step 3: Cross multiply
    10,851.24x = 16,246.05 × 7,142.28
  4. Step 4: Simplify right side
    10,851.24x = 116,033,837.99
  5. Step 5: Solve for x
    x = 116,033,837.99/10,851.24
  6. Step 6: Final answer
    x = 10,693.14

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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.