Home / 17,011.56-25,516.08-10,438.68

Finding the Fourth Proportional to 17,011.56, 25,516.08 and 10,438.68

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Solution

The fourth proportional to 17,011.56, 25,516.08 and 10,438.68 is: 15,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.56 : 25,516.08 = 10,438.68 : x
  2. Step 2: Convert to fraction form
    17,011.56/25,516.08 = 10,438.68/x
  3. Step 3: Cross multiply
    17,011.56x = 25,516.08 × 10,438.68
  4. Step 4: Simplify right side
    17,011.56x = 266,354,193.97
  5. Step 5: Solve for x
    x = 266,354,193.97/17,011.56
  6. Step 6: Final answer
    x = 15,657.25

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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.