Home / 10,214.40-15,328.56-4,372.56

Finding the Fourth Proportional to 10,214.40, 15,328.56 and 4,372.56

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Solution

The fourth proportional to 10,214.40, 15,328.56 and 4,372.56 is: 6,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.40 : 15,328.56 = 4,372.56 : x
  2. Step 2: Convert to fraction form
    10,214.40/15,328.56 = 4,372.56/x
  3. Step 3: Cross multiply
    10,214.40x = 15,328.56 × 4,372.56
  4. Step 4: Simplify right side
    10,214.40x = 67,025,048.31
  5. Step 5: Solve for x
    x = 67,025,048.31/10,214.40
  6. Step 6: Final answer
    x = 6,561.82

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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.