Home / 13,669.76-18,864.26-7,701.42

Finding the Fourth Proportional to 13,669.76, 18,864.26 and 7,701.42

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Solution

The fourth proportional to 13,669.76, 18,864.26 and 7,701.42 is: 10,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.76 : 18,864.26 = 7,701.42 : x
  2. Step 2: Convert to fraction form
    13,669.76/18,864.26 = 7,701.42/x
  3. Step 3: Cross multiply
    13,669.76x = 18,864.26 × 7,701.42
  4. Step 4: Simplify right side
    13,669.76x = 145,281,608.50
  5. Step 5: Solve for x
    x = 145,281,608.50/13,669.76
  6. Step 6: Final answer
    x = 10,627.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.