Home / 10,189.20-15,271.47-4,634.93

Finding the Fourth Proportional to 10,189.20, 15,271.47 and 4,634.93

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Solution

The fourth proportional to 10,189.20, 15,271.47 and 4,634.93 is: 6,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.20 : 15,271.47 = 4,634.93 : x
  2. Step 2: Convert to fraction form
    10,189.20/15,271.47 = 4,634.93/x
  3. Step 3: Cross multiply
    10,189.20x = 15,271.47 × 4,634.93
  4. Step 4: Simplify right side
    10,189.20x = 70,782,118.09
  5. Step 5: Solve for x
    x = 70,782,118.09/10,189.20
  6. Step 6: Final answer
    x = 6,946.78

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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.