Home / 13,326.21-20,001.51-6,756.93

Finding the Fourth Proportional to 13,326.21, 20,001.51 and 6,756.93

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Solution

The fourth proportional to 13,326.21, 20,001.51 and 6,756.93 is: 10,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.21 : 20,001.51 = 6,756.93 : x
  2. Step 2: Convert to fraction form
    13,326.21/20,001.51 = 6,756.93/x
  3. Step 3: Cross multiply
    13,326.21x = 20,001.51 × 6,756.93
  4. Step 4: Simplify right side
    13,326.21x = 135,148,802.96
  5. Step 5: Solve for x
    x = 135,148,802.96/13,326.21
  6. Step 6: Final answer
    x = 10,141.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.