Home / 13,333.47-19,988.31-6,756.27

Finding the Fourth Proportional to 13,333.47, 19,988.31 and 6,756.27

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Solution

The fourth proportional to 13,333.47, 19,988.31 and 6,756.27 is: 10,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.47 : 19,988.31 = 6,756.27 : x
  2. Step 2: Convert to fraction form
    13,333.47/19,988.31 = 6,756.27/x
  3. Step 3: Cross multiply
    13,333.47x = 19,988.31 × 6,756.27
  4. Step 4: Simplify right side
    13,333.47x = 135,046,419.20
  5. Step 5: Solve for x
    x = 135,046,419.20/13,333.47
  6. Step 6: Final answer
    x = 10,128.38

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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.