Home / 10,027.84-15,027.96-8,539.36

Finding the Fourth Proportional to 10,027.84, 15,027.96 and 8,539.36

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Solution

The fourth proportional to 10,027.84, 15,027.96 and 8,539.36 is: 12,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027.84 : 15,027.96 = 8,539.36 : x
  2. Step 2: Convert to fraction form
    10,027.84/15,027.96 = 8,539.36/x
  3. Step 3: Cross multiply
    10,027.84x = 15,027.96 × 8,539.36
  4. Step 4: Simplify right side
    10,027.84x = 128,329,160.51
  5. Step 5: Solve for x
    x = 128,329,160.51/10,027.84
  6. Step 6: Final answer
    x = 12,797.29

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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.