Home / 12,750.16-19,084.29-6,812.20

Finding the Fourth Proportional to 12,750.16, 19,084.29 and 6,812.20

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Solution

The fourth proportional to 12,750.16, 19,084.29 and 6,812.20 is: 10,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.16 : 19,084.29 = 6,812.20 : x
  2. Step 2: Convert to fraction form
    12,750.16/19,084.29 = 6,812.20/x
  3. Step 3: Cross multiply
    12,750.16x = 19,084.29 × 6,812.20
  4. Step 4: Simplify right side
    12,750.16x = 130,006,000.34
  5. Step 5: Solve for x
    x = 130,006,000.34/12,750.16
  6. Step 6: Final answer
    x = 10,196.42

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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.