Home / 19,862.19-27,409.79-10,910.27

Finding the Fourth Proportional to 19,862.19, 27,409.79 and 10,910.27

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Solution

The fourth proportional to 19,862.19, 27,409.79 and 10,910.27 is: 15,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.19 : 27,409.79 = 10,910.27 : x
  2. Step 2: Convert to fraction form
    19,862.19/27,409.79 = 10,910.27/x
  3. Step 3: Cross multiply
    19,862.19x = 27,409.79 × 10,910.27
  4. Step 4: Simplify right side
    19,862.19x = 299,048,305.34
  5. Step 5: Solve for x
    x = 299,048,305.34/19,862.19
  6. Step 6: Final answer
    x = 15,056.16

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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.