Home / 14,263.48-21,392.34-9,920.44

Finding the Fourth Proportional to 14,263.48, 21,392.34 and 9,920.44

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Solution

The fourth proportional to 14,263.48, 21,392.34 and 9,920.44 is: 14,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.48 : 21,392.34 = 9,920.44 : x
  2. Step 2: Convert to fraction form
    14,263.48/21,392.34 = 9,920.44/x
  3. Step 3: Cross multiply
    14,263.48x = 21,392.34 × 9,920.44
  4. Step 4: Simplify right side
    14,263.48x = 212,221,425.43
  5. Step 5: Solve for x
    x = 212,221,425.43/14,263.48
  6. Step 6: Final answer
    x = 14,878.66

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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.