Home / 14,415.24-21,625.44-9,931.20

Finding the Fourth Proportional to 14,415.24, 21,625.44 and 9,931.20

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Solution

The fourth proportional to 14,415.24, 21,625.44 and 9,931.20 is: 14,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.24 : 21,625.44 = 9,931.20 : x
  2. Step 2: Convert to fraction form
    14,415.24/21,625.44 = 9,931.20/x
  3. Step 3: Cross multiply
    14,415.24x = 21,625.44 × 9,931.20
  4. Step 4: Simplify right side
    14,415.24x = 214,766,569.73
  5. Step 5: Solve for x
    x = 214,766,569.73/14,415.24
  6. Step 6: Final answer
    x = 14,898.58

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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.