Home / 13,347.84-20,008.80-5,552.40

Finding the Fourth Proportional to 13,347.84, 20,008.80 and 5,552.40

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Solution

The fourth proportional to 13,347.84, 20,008.80 and 5,552.40 is: 8,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.84 : 20,008.80 = 5,552.40 : x
  2. Step 2: Convert to fraction form
    13,347.84/20,008.80 = 5,552.40/x
  3. Step 3: Cross multiply
    13,347.84x = 20,008.80 × 5,552.40
  4. Step 4: Simplify right side
    13,347.84x = 111,096,861.12
  5. Step 5: Solve for x
    x = 111,096,861.12/13,347.84
  6. Step 6: Final answer
    x = 8,323.21

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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.