Home / 13,315.98-19,973.97-4,550.97

Finding the Fourth Proportional to 13,315.98, 19,973.97 and 4,550.97

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Solution

The fourth proportional to 13,315.98, 19,973.97 and 4,550.97 is: 6,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.98 : 19,973.97 = 4,550.97 : x
  2. Step 2: Convert to fraction form
    13,315.98/19,973.97 = 4,550.97/x
  3. Step 3: Cross multiply
    13,315.98x = 19,973.97 × 4,550.97
  4. Step 4: Simplify right side
    13,315.98x = 90,900,938.25
  5. Step 5: Solve for x
    x = 90,900,938.25/13,315.98
  6. Step 6: Final answer
    x = 6,826.46

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Double scale
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Similar ratio
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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.