Home / 14,434.40-19,919.36-8,146.56

Finding the Fourth Proportional to 14,434.40, 19,919.36 and 8,146.56

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Solution

The fourth proportional to 14,434.40, 19,919.36 and 8,146.56 is: 11,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.40 : 19,919.36 = 8,146.56 : x
  2. Step 2: Convert to fraction form
    14,434.40/19,919.36 = 8,146.56/x
  3. Step 3: Cross multiply
    14,434.40x = 19,919.36 × 8,146.56
  4. Step 4: Simplify right side
    14,434.40x = 162,274,261.40
  5. Step 5: Solve for x
    x = 162,274,261.40/14,434.40
  6. Step 6: Final answer
    x = 11,242.19

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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.