Home / 13,612.98-20,424.75-5,298.84

Finding the Fourth Proportional to 13,612.98, 20,424.75 and 5,298.84

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Solution

The fourth proportional to 13,612.98, 20,424.75 and 5,298.84 is: 7,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.98 : 20,424.75 = 5,298.84 : x
  2. Step 2: Convert to fraction form
    13,612.98/20,424.75 = 5,298.84/x
  3. Step 3: Cross multiply
    13,612.98x = 20,424.75 × 5,298.84
  4. Step 4: Simplify right side
    13,612.98x = 108,227,380.17
  5. Step 5: Solve for x
    x = 108,227,380.17/13,612.98
  6. Step 6: Final answer
    x = 7,950.31

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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.