Home / 13,327.76-18,392.36-7,359.63

Finding the Fourth Proportional to 13,327.76, 18,392.36 and 7,359.63

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Solution

The fourth proportional to 13,327.76, 18,392.36 and 7,359.63 is: 10,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.76 : 18,392.36 = 7,359.63 : x
  2. Step 2: Convert to fraction form
    13,327.76/18,392.36 = 7,359.63/x
  3. Step 3: Cross multiply
    13,327.76x = 18,392.36 × 7,359.63
  4. Step 4: Simplify right side
    13,327.76x = 135,360,927.63
  5. Step 5: Solve for x
    x = 135,360,927.63/13,327.76
  6. Step 6: Final answer
    x = 10,156.32

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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.