Home / 19,145.97-26,421.81-10,648.80

Finding the Fourth Proportional to 19,145.97, 26,421.81 and 10,648.80

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Solution

The fourth proportional to 19,145.97, 26,421.81 and 10,648.80 is: 14,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.97 : 26,421.81 = 10,648.80 : x
  2. Step 2: Convert to fraction form
    19,145.97/26,421.81 = 10,648.80/x
  3. Step 3: Cross multiply
    19,145.97x = 26,421.81 × 10,648.80
  4. Step 4: Simplify right side
    19,145.97x = 281,360,570.33
  5. Step 5: Solve for x
    x = 281,360,570.33/19,145.97
  6. Step 6: Final answer
    x = 14,695.55

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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.