Home / 13,360.88-18,437.90-7,392.43

Finding the Fourth Proportional to 13,360.88, 18,437.90 and 7,392.43

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Solution

The fourth proportional to 13,360.88, 18,437.90 and 7,392.43 is: 10,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.88 : 18,437.90 = 7,392.43 : x
  2. Step 2: Convert to fraction form
    13,360.88/18,437.90 = 7,392.43/x
  3. Step 3: Cross multiply
    13,360.88x = 18,437.90 × 7,392.43
  4. Step 4: Simplify right side
    13,360.88x = 136,300,871.18
  5. Step 5: Solve for x
    x = 136,300,871.18/13,360.88
  6. Step 6: Final answer
    x = 10,201.49

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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.