Home / 13,319.41-19,973.92-4,994.89

Finding the Fourth Proportional to 13,319.41, 19,973.92 and 4,994.89

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Solution

The fourth proportional to 13,319.41, 19,973.92 and 4,994.89 is: 7,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.41 : 19,973.92 = 4,994.89 : x
  2. Step 2: Convert to fraction form
    13,319.41/19,973.92 = 4,994.89/x
  3. Step 3: Cross multiply
    13,319.41x = 19,973.92 × 4,994.89
  4. Step 4: Simplify right side
    13,319.41x = 99,767,533.27
  5. Step 5: Solve for x
    x = 99,767,533.27/13,319.41
  6. Step 6: Final answer
    x = 7,490.39

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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.