Home / 14,488.49-20,003.42-9,958.70

Finding the Fourth Proportional to 14,488.49, 20,003.42 and 9,958.70

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Solution

The fourth proportional to 14,488.49, 20,003.42 and 9,958.70 is: 13,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.49 : 20,003.42 = 9,958.70 : x
  2. Step 2: Convert to fraction form
    14,488.49/20,003.42 = 9,958.70/x
  3. Step 3: Cross multiply
    14,488.49x = 20,003.42 × 9,958.70
  4. Step 4: Simplify right side
    14,488.49x = 199,208,058.75
  5. Step 5: Solve for x
    x = 199,208,058.75/14,488.49
  6. Step 6: Final answer
    x = 13,749.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.