Home / 14,521.41-21,756.60-10,355.19

Finding the Fourth Proportional to 14,521.41, 21,756.60 and 10,355.19

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Solution

The fourth proportional to 14,521.41, 21,756.60 and 10,355.19 is: 15,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.41 : 21,756.60 = 10,355.19 : x
  2. Step 2: Convert to fraction form
    14,521.41/21,756.60 = 10,355.19/x
  3. Step 3: Cross multiply
    14,521.41x = 21,756.60 × 10,355.19
  4. Step 4: Simplify right side
    14,521.41x = 225,293,726.75
  5. Step 5: Solve for x
    x = 225,293,726.75/14,521.41
  6. Step 6: Final answer
    x = 15,514.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.