Home / 13,166.65-19,749.93-4,401.55

Finding the Fourth Proportional to 13,166.65, 19,749.93 and 4,401.55

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Solution

The fourth proportional to 13,166.65, 19,749.93 and 4,401.55 is: 6,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.65 : 19,749.93 = 4,401.55 : x
  2. Step 2: Convert to fraction form
    13,166.65/19,749.93 = 4,401.55/x
  3. Step 3: Cross multiply
    13,166.65x = 19,749.93 × 4,401.55
  4. Step 4: Simplify right side
    13,166.65x = 86,930,304.39
  5. Step 5: Solve for x
    x = 86,930,304.39/13,166.65
  6. Step 6: Final answer
    x = 6,602.31

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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.