Home / 10,356.35-15,516.30-8,497.40

Finding the Fourth Proportional to 10,356.35, 15,516.30 and 8,497.40

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Solution

The fourth proportional to 10,356.35, 15,516.30 and 8,497.40 is: 12,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.35 : 15,516.30 = 8,497.40 : x
  2. Step 2: Convert to fraction form
    10,356.35/15,516.30 = 8,497.40/x
  3. Step 3: Cross multiply
    10,356.35x = 15,516.30 × 8,497.40
  4. Step 4: Simplify right side
    10,356.35x = 131,848,207.62
  5. Step 5: Solve for x
    x = 131,848,207.62/10,356.35
  6. Step 6: Final answer
    x = 12,731.15

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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.