Home / 19,418.90-26,797.23-10,921.19

Finding the Fourth Proportional to 19,418.90, 26,797.23 and 10,921.19

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Solution

The fourth proportional to 19,418.90, 26,797.23 and 10,921.19 is: 15,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.90 : 26,797.23 = 10,921.19 : x
  2. Step 2: Convert to fraction form
    19,418.90/26,797.23 = 10,921.19/x
  3. Step 3: Cross multiply
    19,418.90x = 26,797.23 × 10,921.19
  4. Step 4: Simplify right side
    19,418.90x = 292,657,506.32
  5. Step 5: Solve for x
    x = 292,657,506.32/19,418.90
  6. Step 6: Final answer
    x = 15,070.76

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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.