Home / 19,370.20-26,729.30-10,871.16

Finding the Fourth Proportional to 19,370.20, 26,729.30 and 10,871.16

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Solution

The fourth proportional to 19,370.20, 26,729.30 and 10,871.16 is: 15,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.20 : 26,729.30 = 10,871.16 : x
  2. Step 2: Convert to fraction form
    19,370.20/26,729.30 = 10,871.16/x
  3. Step 3: Cross multiply
    19,370.20x = 26,729.30 × 10,871.16
  4. Step 4: Simplify right side
    19,370.20x = 290,578,496.99
  5. Step 5: Solve for x
    x = 290,578,496.99/19,370.20
  6. Step 6: Final answer
    x = 15,001.32

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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.