Home / 13,317.41-19,970.92-4,992.89

Finding the Fourth Proportional to 13,317.41, 19,970.92 and 4,992.89

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Solution

The fourth proportional to 13,317.41, 19,970.92 and 4,992.89 is: 7,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.41 : 19,970.92 = 4,992.89 : x
  2. Step 2: Convert to fraction form
    13,317.41/19,970.92 = 4,992.89/x
  3. Step 3: Cross multiply
    13,317.41x = 19,970.92 × 4,992.89
  4. Step 4: Simplify right side
    13,317.41x = 99,712,506.90
  5. Step 5: Solve for x
    x = 99,712,506.90/13,317.41
  6. Step 6: Final answer
    x = 7,487.38

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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.