Home / 13,038.38-17,971.96-10,201.20

Finding the Fourth Proportional to 13,038.38, 17,971.96 and 10,201.20

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Solution

The fourth proportional to 13,038.38, 17,971.96 and 10,201.20 is: 14,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.38 : 17,971.96 = 10,201.20 : x
  2. Step 2: Convert to fraction form
    13,038.38/17,971.96 = 10,201.20/x
  3. Step 3: Cross multiply
    13,038.38x = 17,971.96 × 10,201.20
  4. Step 4: Simplify right side
    13,038.38x = 183,335,507.35
  5. Step 5: Solve for x
    x = 183,335,507.35/13,038.38
  6. Step 6: Final answer
    x = 14,061.22

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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.