Home / 14,101.70-19,459.17-8,131.19

Finding the Fourth Proportional to 14,101.70, 19,459.17 and 8,131.19

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Solution

The fourth proportional to 14,101.70, 19,459.17 and 8,131.19 is: 11,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.70 : 19,459.17 = 8,131.19 : x
  2. Step 2: Convert to fraction form
    14,101.70/19,459.17 = 8,131.19/x
  3. Step 3: Cross multiply
    14,101.70x = 19,459.17 × 8,131.19
  4. Step 4: Simplify right side
    14,101.70x = 158,226,111.22
  5. Step 5: Solve for x
    x = 158,226,111.22/14,101.70
  6. Step 6: Final answer
    x = 11,220.36

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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.