Home / 13,997.10-19,312.12-9,743.38

Finding the Fourth Proportional to 13,997.10, 19,312.12 and 9,743.38

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Solution

The fourth proportional to 13,997.10, 19,312.12 and 9,743.38 is: 13,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.10 : 19,312.12 = 9,743.38 : x
  2. Step 2: Convert to fraction form
    13,997.10/19,312.12 = 9,743.38/x
  3. Step 3: Cross multiply
    13,997.10x = 19,312.12 × 9,743.38
  4. Step 4: Simplify right side
    13,997.10x = 188,165,323.77
  5. Step 5: Solve for x
    x = 188,165,323.77/13,997.10
  6. Step 6: Final answer
    x = 13,443.16

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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.