Home / 10,289.43-14,199.39-5,573.70

Finding the Fourth Proportional to 10,289.43, 14,199.39 and 5,573.70

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Solution

The fourth proportional to 10,289.43, 14,199.39 and 5,573.70 is: 7,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.43 : 14,199.39 = 5,573.70 : x
  2. Step 2: Convert to fraction form
    10,289.43/14,199.39 = 5,573.70/x
  3. Step 3: Cross multiply
    10,289.43x = 14,199.39 × 5,573.70
  4. Step 4: Simplify right side
    10,289.43x = 79,143,140.04
  5. Step 5: Solve for x
    x = 79,143,140.04/10,289.43
  6. Step 6: Final answer
    x = 7,691.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.