Home / 13,862.76-19,146.48-10,102.80

Finding the Fourth Proportional to 13,862.76, 19,146.48 and 10,102.80

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Solution

The fourth proportional to 13,862.76, 19,146.48 and 10,102.80 is: 13,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.76 : 19,146.48 = 10,102.80 : x
  2. Step 2: Convert to fraction form
    13,862.76/19,146.48 = 10,102.80/x
  3. Step 3: Cross multiply
    13,862.76x = 19,146.48 × 10,102.80
  4. Step 4: Simplify right side
    13,862.76x = 193,433,058.14
  5. Step 5: Solve for x
    x = 193,433,058.14/13,862.76
  6. Step 6: Final answer
    x = 13,953.43

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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.