Home / 14,058.78-21,091.05-4,697.70

Finding the Fourth Proportional to 14,058.78, 21,091.05 and 4,697.70

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Solution

The fourth proportional to 14,058.78, 21,091.05 and 4,697.70 is: 7,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.78 : 21,091.05 = 4,697.70 : x
  2. Step 2: Convert to fraction form
    14,058.78/21,091.05 = 4,697.70/x
  3. Step 3: Cross multiply
    14,058.78x = 21,091.05 × 4,697.70
  4. Step 4: Simplify right side
    14,058.78x = 99,079,425.59
  5. Step 5: Solve for x
    x = 99,079,425.59/14,058.78
  6. Step 6: Final answer
    x = 7,047.51

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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.