Home / 13,334.84-20,011.10-5,543.64

Finding the Fourth Proportional to 13,334.84, 20,011.10 and 5,543.64

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Solution

The fourth proportional to 13,334.84, 20,011.10 and 5,543.64 is: 8,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.84 : 20,011.10 = 5,543.64 : x
  2. Step 2: Convert to fraction form
    13,334.84/20,011.10 = 5,543.64/x
  3. Step 3: Cross multiply
    13,334.84x = 20,011.10 × 5,543.64
  4. Step 4: Simplify right side
    13,334.84x = 110,934,334.40
  5. Step 5: Solve for x
    x = 110,934,334.40/13,334.84
  6. Step 6: Final answer
    x = 8,319.14

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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.