Home / 13,331.36-18,397.21-7,363

Finding the Fourth Proportional to 13,331.36, 18,397.21 and 7,363

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Solution

The fourth proportional to 13,331.36, 18,397.21 and 7,363 is: 10,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.36 : 18,397.21 = 7,363 : x
  2. Step 2: Convert to fraction form
    13,331.36/18,397.21 = 7,363/x
  3. Step 3: Cross multiply
    13,331.36x = 18,397.21 × 7,363
  4. Step 4: Simplify right side
    13,331.36x = 135,458,657.23
  5. Step 5: Solve for x
    x = 135,458,657.23/13,331.36
  6. Step 6: Final answer
    x = 10,160.90

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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.