Home / 10,543.80-15,811.96-4,623.55

Finding the Fourth Proportional to 10,543.80, 15,811.96 and 4,623.55

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Solution

The fourth proportional to 10,543.80, 15,811.96 and 4,623.55 is: 6,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.80 : 15,811.96 = 4,623.55 : x
  2. Step 2: Convert to fraction form
    10,543.80/15,811.96 = 4,623.55/x
  3. Step 3: Cross multiply
    10,543.80x = 15,811.96 × 4,623.55
  4. Step 4: Simplify right side
    10,543.80x = 73,107,387.66
  5. Step 5: Solve for x
    x = 73,107,387.66/10,543.80
  6. Step 6: Final answer
    x = 6,933.68

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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.