Home / 14,412.42-21,612.51-5,645.94

Finding the Fourth Proportional to 14,412.42, 21,612.51 and 5,645.94

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Solution

The fourth proportional to 14,412.42, 21,612.51 and 5,645.94 is: 8,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.42 : 21,612.51 = 5,645.94 : x
  2. Step 2: Convert to fraction form
    14,412.42/21,612.51 = 5,645.94/x
  3. Step 3: Cross multiply
    14,412.42x = 21,612.51 × 5,645.94
  4. Step 4: Simplify right side
    14,412.42x = 122,022,934.71
  5. Step 5: Solve for x
    x = 122,022,934.71/14,412.42
  6. Step 6: Final answer
    x = 8,466.51

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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.