Home / 13,033.50-17,985.14-7,655.36

Finding the Fourth Proportional to 13,033.50, 17,985.14 and 7,655.36

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Solution

The fourth proportional to 13,033.50, 17,985.14 and 7,655.36 is: 10,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.50 : 17,985.14 = 7,655.36 : x
  2. Step 2: Convert to fraction form
    13,033.50/17,985.14 = 7,655.36/x
  3. Step 3: Cross multiply
    13,033.50x = 17,985.14 × 7,655.36
  4. Step 4: Simplify right side
    13,033.50x = 137,682,721.35
  5. Step 5: Solve for x
    x = 137,682,721.35/13,033.50
  6. Step 6: Final answer
    x = 10,563.76

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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.