Home / 10,239.48-15,330.06-6,725.70

Finding the Fourth Proportional to 10,239.48, 15,330.06 and 6,725.70

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Solution

The fourth proportional to 10,239.48, 15,330.06 and 6,725.70 is: 10,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.48 : 15,330.06 = 6,725.70 : x
  2. Step 2: Convert to fraction form
    10,239.48/15,330.06 = 6,725.70/x
  3. Step 3: Cross multiply
    10,239.48x = 15,330.06 × 6,725.70
  4. Step 4: Simplify right side
    10,239.48x = 103,105,384.54
  5. Step 5: Solve for x
    x = 103,105,384.54/10,239.48
  6. Step 6: Final answer
    x = 10,069.40

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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.