Home / 13,335.81-18,402.44-7,366.38

Finding the Fourth Proportional to 13,335.81, 18,402.44 and 7,366.38

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Solution

The fourth proportional to 13,335.81, 18,402.44 and 7,366.38 is: 10,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.81 : 18,402.44 = 7,366.38 : x
  2. Step 2: Convert to fraction form
    13,335.81/18,402.44 = 7,366.38/x
  3. Step 3: Cross multiply
    13,335.81x = 18,402.44 × 7,366.38
  4. Step 4: Simplify right side
    13,335.81x = 135,559,329.14
  5. Step 5: Solve for x
    x = 135,559,329.14/13,335.81
  6. Step 6: Final answer
    x = 10,165.06

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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.