Home / 13,983.40-19,297.29-7,610.20

Finding the Fourth Proportional to 13,983.40, 19,297.29 and 7,610.20

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Solution

The fourth proportional to 13,983.40, 19,297.29 and 7,610.20 is: 10,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.40 : 19,297.29 = 7,610.20 : x
  2. Step 2: Convert to fraction form
    13,983.40/19,297.29 = 7,610.20/x
  3. Step 3: Cross multiply
    13,983.40x = 19,297.29 × 7,610.20
  4. Step 4: Simplify right side
    13,983.40x = 146,856,236.36
  5. Step 5: Solve for x
    x = 146,856,236.36/13,983.40
  6. Step 6: Final answer
    x = 10,502.18

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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.