Home / 13,365.17-18,444.20-7,396.68

Finding the Fourth Proportional to 13,365.17, 18,444.20 and 7,396.68

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Solution

The fourth proportional to 13,365.17, 18,444.20 and 7,396.68 is: 10,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.17 : 18,444.20 = 7,396.68 : x
  2. Step 2: Convert to fraction form
    13,365.17/18,444.20 = 7,396.68/x
  3. Step 3: Cross multiply
    13,365.17x = 18,444.20 × 7,396.68
  4. Step 4: Simplify right side
    13,365.17x = 136,425,808.27
  5. Step 5: Solve for x
    x = 136,425,808.27/13,365.17
  6. Step 6: Final answer
    x = 10,207.57

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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.