Home / 14,222.63-21,335.97-7,557.39

Finding the Fourth Proportional to 14,222.63, 21,335.97 and 7,557.39

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Solution

The fourth proportional to 14,222.63, 21,335.97 and 7,557.39 is: 11,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.63 : 21,335.97 = 7,557.39 : x
  2. Step 2: Convert to fraction form
    14,222.63/21,335.97 = 7,557.39/x
  3. Step 3: Cross multiply
    14,222.63x = 21,335.97 × 7,557.39
  4. Step 4: Simplify right side
    14,222.63x = 161,244,246.32
  5. Step 5: Solve for x
    x = 161,244,246.32/14,222.63
  6. Step 6: Final answer
    x = 11,337.16

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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.