Home / 13,971.01-19,279.02-8,305.46

Finding the Fourth Proportional to 13,971.01, 19,279.02 and 8,305.46

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Solution

The fourth proportional to 13,971.01, 19,279.02 and 8,305.46 is: 11,460.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.01 : 19,279.02 = 8,305.46 : x
  2. Step 2: Convert to fraction form
    13,971.01/19,279.02 = 8,305.46/x
  3. Step 3: Cross multiply
    13,971.01x = 19,279.02 × 8,305.46
  4. Step 4: Simplify right side
    13,971.01x = 160,121,208.79
  5. Step 5: Solve for x
    x = 160,121,208.79/13,971.01
  6. Step 6: Final answer
    x = 11,460.96

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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.