Home / 10,476.04-15,710.10-5,278.36

Finding the Fourth Proportional to 10,476.04, 15,710.10 and 5,278.36

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Solution

The fourth proportional to 10,476.04, 15,710.10 and 5,278.36 is: 7,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.04 : 15,710.10 = 5,278.36 : x
  2. Step 2: Convert to fraction form
    10,476.04/15,710.10 = 5,278.36/x
  3. Step 3: Cross multiply
    10,476.04x = 15,710.10 × 5,278.36
  4. Step 4: Simplify right side
    10,476.04x = 82,923,563.44
  5. Step 5: Solve for x
    x = 82,923,563.44/10,476.04
  6. Step 6: Final answer
    x = 7,915.54

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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.