Home / 13,769.74-20,637.28-7,516.72

Finding the Fourth Proportional to 13,769.74, 20,637.28 and 7,516.72

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Solution

The fourth proportional to 13,769.74, 20,637.28 and 7,516.72 is: 11,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.74 : 20,637.28 = 7,516.72 : x
  2. Step 2: Convert to fraction form
    13,769.74/20,637.28 = 7,516.72/x
  3. Step 3: Cross multiply
    13,769.74x = 20,637.28 × 7,516.72
  4. Step 4: Simplify right side
    13,769.74x = 155,124,655.32
  5. Step 5: Solve for x
    x = 155,124,655.32/13,769.74
  6. Step 6: Final answer
    x = 11,265.62

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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.