Home / 10,142.94-15,214.50-3,569.18

Finding the Fourth Proportional to 10,142.94, 15,214.50 and 3,569.18

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Solution

The fourth proportional to 10,142.94, 15,214.50 and 3,569.18 is: 5,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.94 : 15,214.50 = 3,569.18 : x
  2. Step 2: Convert to fraction form
    10,142.94/15,214.50 = 3,569.18/x
  3. Step 3: Cross multiply
    10,142.94x = 15,214.50 × 3,569.18
  4. Step 4: Simplify right side
    10,142.94x = 54,303,289.11
  5. Step 5: Solve for x
    x = 54,303,289.11/10,142.94
  6. Step 6: Final answer
    x = 5,353.80

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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.