Home / 14,347.74-21,508.64-5,111.58

Finding the Fourth Proportional to 14,347.74, 21,508.64 and 5,111.58

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Solution

The fourth proportional to 14,347.74, 21,508.64 and 5,111.58 is: 7,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.74 : 21,508.64 = 5,111.58 : x
  2. Step 2: Convert to fraction form
    14,347.74/21,508.64 = 5,111.58/x
  3. Step 3: Cross multiply
    14,347.74x = 21,508.64 × 5,111.58
  4. Step 4: Simplify right side
    14,347.74x = 109,943,134.05
  5. Step 5: Solve for x
    x = 109,943,134.05/14,347.74
  6. Step 6: Final answer
    x = 7,662.75

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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.