Home / 10,675.10-16,012.64-5,124.98

Finding the Fourth Proportional to 10,675.10, 16,012.64 and 5,124.98

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Solution

The fourth proportional to 10,675.10, 16,012.64 and 5,124.98 is: 7,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,675.10 : 16,012.64 = 5,124.98 : x
  2. Step 2: Convert to fraction form
    10,675.10/16,012.64 = 5,124.98/x
  3. Step 3: Cross multiply
    10,675.10x = 16,012.64 × 5,124.98
  4. Step 4: Simplify right side
    10,675.10x = 82,064,392.50
  5. Step 5: Solve for x
    x = 82,064,392.50/10,675.10
  6. Step 6: Final answer
    x = 7,687.46

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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.