Home / 13,319.22-19,973.63-4,994.70

Finding the Fourth Proportional to 13,319.22, 19,973.63 and 4,994.70

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Solution

The fourth proportional to 13,319.22, 19,973.63 and 4,994.70 is: 7,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.22 : 19,973.63 = 4,994.70 : x
  2. Step 2: Convert to fraction form
    13,319.22/19,973.63 = 4,994.70/x
  3. Step 3: Cross multiply
    13,319.22x = 19,973.63 × 4,994.70
  4. Step 4: Simplify right side
    13,319.22x = 99,762,302.25
  5. Step 5: Solve for x
    x = 99,762,302.25/13,319.22
  6. Step 6: Final answer
    x = 7,490.10

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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.