Home / 14,217.36-19,609.38-10,439.34

Finding the Fourth Proportional to 14,217.36, 19,609.38 and 10,439.34

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Solution

The fourth proportional to 14,217.36, 19,609.38 and 10,439.34 is: 14,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.36 : 19,609.38 = 10,439.34 : x
  2. Step 2: Convert to fraction form
    14,217.36/19,609.38 = 10,439.34/x
  3. Step 3: Cross multiply
    14,217.36x = 19,609.38 × 10,439.34
  4. Step 4: Simplify right side
    14,217.36x = 204,708,985.01
  5. Step 5: Solve for x
    x = 204,708,985.01/14,217.36
  6. Step 6: Final answer
    x = 14,398.52

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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.