Home / 13,867.76-19,132.26-9,153.56

Finding the Fourth Proportional to 13,867.76, 19,132.26 and 9,153.56

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Solution

The fourth proportional to 13,867.76, 19,132.26 and 9,153.56 is: 12,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.76 : 19,132.26 = 9,153.56 : x
  2. Step 2: Convert to fraction form
    13,867.76/19,132.26 = 9,153.56/x
  3. Step 3: Cross multiply
    13,867.76x = 19,132.26 × 9,153.56
  4. Step 4: Simplify right side
    13,867.76x = 175,128,289.85
  5. Step 5: Solve for x
    x = 175,128,289.85/13,867.76
  6. Step 6: Final answer
    x = 12,628.45

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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.