Home / 13,366.37-18,444.79-7,397.68

Finding the Fourth Proportional to 13,366.37, 18,444.79 and 7,397.68

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Solution

The fourth proportional to 13,366.37, 18,444.79 and 7,397.68 is: 10,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.37 : 18,444.79 = 7,397.68 : x
  2. Step 2: Convert to fraction form
    13,366.37/18,444.79 = 7,397.68/x
  3. Step 3: Cross multiply
    13,366.37x = 18,444.79 × 7,397.68
  4. Step 4: Simplify right side
    13,366.37x = 136,448,589.48
  5. Step 5: Solve for x
    x = 136,448,589.48/13,366.37
  6. Step 6: Final answer
    x = 10,208.35

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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.