Home / 13,334.86-18,400.53-7,366.17

Finding the Fourth Proportional to 13,334.86, 18,400.53 and 7,366.17

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Solution

The fourth proportional to 13,334.86, 18,400.53 and 7,366.17 is: 10,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.86 : 18,400.53 = 7,366.17 : x
  2. Step 2: Convert to fraction form
    13,334.86/18,400.53 = 7,366.17/x
  3. Step 3: Cross multiply
    13,334.86x = 18,400.53 × 7,366.17
  4. Step 4: Simplify right side
    13,334.86x = 135,541,432.07
  5. Step 5: Solve for x
    x = 135,541,432.07/13,334.86
  6. Step 6: Final answer
    x = 10,164.44

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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.