Home / 14,146.28-19,521.36-7,858.52

Finding the Fourth Proportional to 14,146.28, 19,521.36 and 7,858.52

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Solution

The fourth proportional to 14,146.28, 19,521.36 and 7,858.52 is: 10,844.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.28 : 19,521.36 = 7,858.52 : x
  2. Step 2: Convert to fraction form
    14,146.28/19,521.36 = 7,858.52/x
  3. Step 3: Cross multiply
    14,146.28x = 19,521.36 × 7,858.52
  4. Step 4: Simplify right side
    14,146.28x = 153,408,997.99
  5. Step 5: Solve for x
    x = 153,408,997.99/14,146.28
  6. Step 6: Final answer
    x = 10,844.48

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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.