Home / 13,166.65-19,750.99-4,401.57

Finding the Fourth Proportional to 13,166.65, 19,750.99 and 4,401.57

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Solution

The fourth proportional to 13,166.65, 19,750.99 and 4,401.57 is: 6,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.65 : 19,750.99 = 4,401.57 : x
  2. Step 2: Convert to fraction form
    13,166.65/19,750.99 = 4,401.57/x
  3. Step 3: Cross multiply
    13,166.65x = 19,750.99 × 4,401.57
  4. Step 4: Simplify right side
    13,166.65x = 86,935,365.05
  5. Step 5: Solve for x
    x = 86,935,365.05/13,166.65
  6. Step 6: Final answer
    x = 6,602.69

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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.