Home / 14,146.40-19,371.11-13,588.71

Finding the Fourth Proportional to 14,146.40, 19,371.11 and 13,588.71

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Solution

The fourth proportional to 14,146.40, 19,371.11 and 13,588.71 is: 18,607.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.40 : 19,371.11 = 13,588.71 : x
  2. Step 2: Convert to fraction form
    14,146.40/19,371.11 = 13,588.71/x
  3. Step 3: Cross multiply
    14,146.40x = 19,371.11 × 13,588.71
  4. Step 4: Simplify right side
    14,146.40x = 263,228,430.14
  5. Step 5: Solve for x
    x = 263,228,430.14/14,146.40
  6. Step 6: Final answer
    x = 18,607.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.