Home / 13,197.40-18,214.02-7,455.94

Finding the Fourth Proportional to 13,197.40, 18,214.02 and 7,455.94

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Solution

The fourth proportional to 13,197.40, 18,214.02 and 7,455.94 is: 10,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.40 : 18,214.02 = 7,455.94 : x
  2. Step 2: Convert to fraction form
    13,197.40/18,214.02 = 7,455.94/x
  3. Step 3: Cross multiply
    13,197.40x = 18,214.02 × 7,455.94
  4. Step 4: Simplify right side
    13,197.40x = 135,802,640.28
  5. Step 5: Solve for x
    x = 135,802,640.28/13,197.40
  6. Step 6: Final answer
    x = 10,290.11

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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.