Home / 10,689.96-16,037.88-4,452.90

Finding the Fourth Proportional to 10,689.96, 16,037.88 and 4,452.90

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Solution

The fourth proportional to 10,689.96, 16,037.88 and 4,452.90 is: 6,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.96 : 16,037.88 = 4,452.90 : x
  2. Step 2: Convert to fraction form
    10,689.96/16,037.88 = 4,452.90/x
  3. Step 3: Cross multiply
    10,689.96x = 16,037.88 × 4,452.90
  4. Step 4: Simplify right side
    10,689.96x = 71,415,075.85
  5. Step 5: Solve for x
    x = 71,415,075.85/10,689.96
  6. Step 6: Final answer
    x = 6,680.57

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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.