Home / 13,319.47-19,974.01-4,994.95

Finding the Fourth Proportional to 13,319.47, 19,974.01 and 4,994.95

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Solution

The fourth proportional to 13,319.47, 19,974.01 and 4,994.95 is: 7,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.47 : 19,974.01 = 4,994.95 : x
  2. Step 2: Convert to fraction form
    13,319.47/19,974.01 = 4,994.95/x
  3. Step 3: Cross multiply
    13,319.47x = 19,974.01 × 4,994.95
  4. Step 4: Simplify right side
    13,319.47x = 99,769,181.25
  5. Step 5: Solve for x
    x = 99,769,181.25/13,319.47
  6. Step 6: Final answer
    x = 7,490.48

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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.