Home / 13,334.47-20,000.89-5,543.35

Finding the Fourth Proportional to 13,334.47, 20,000.89 and 5,543.35

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Solution

The fourth proportional to 13,334.47, 20,000.89 and 5,543.35 is: 8,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.47 : 20,000.89 = 5,543.35 : x
  2. Step 2: Convert to fraction form
    13,334.47/20,000.89 = 5,543.35/x
  3. Step 3: Cross multiply
    13,334.47x = 20,000.89 × 5,543.35
  4. Step 4: Simplify right side
    13,334.47x = 110,871,933.58
  5. Step 5: Solve for x
    x = 110,871,933.58/13,334.47
  6. Step 6: Final answer
    x = 8,314.69

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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.