Home / 14,521.69-20,051.22-11,159.20

Finding the Fourth Proportional to 14,521.69, 20,051.22 and 11,159.20

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Solution

The fourth proportional to 14,521.69, 20,051.22 and 11,159.20 is: 15,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.69 : 20,051.22 = 11,159.20 : x
  2. Step 2: Convert to fraction form
    14,521.69/20,051.22 = 11,159.20/x
  3. Step 3: Cross multiply
    14,521.69x = 20,051.22 × 11,159.20
  4. Step 4: Simplify right side
    14,521.69x = 223,755,574.22
  5. Step 5: Solve for x
    x = 223,755,574.22/14,521.69
  6. Step 6: Final answer
    x = 15,408.37

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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.