Home / 14,380.68-21,572.64-4,521.36

Finding the Fourth Proportional to 14,380.68, 21,572.64 and 4,521.36

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Solution

The fourth proportional to 14,380.68, 21,572.64 and 4,521.36 is: 6,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.68 : 21,572.64 = 4,521.36 : x
  2. Step 2: Convert to fraction form
    14,380.68/21,572.64 = 4,521.36/x
  3. Step 3: Cross multiply
    14,380.68x = 21,572.64 × 4,521.36
  4. Step 4: Simplify right side
    14,380.68x = 97,537,671.59
  5. Step 5: Solve for x
    x = 97,537,671.59/14,380.68
  6. Step 6: Final answer
    x = 6,782.55

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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.