Home / 11,649.10-16,075.95-6,344.02

Finding the Fourth Proportional to 11,649.10, 16,075.95 and 6,344.02

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Solution

The fourth proportional to 11,649.10, 16,075.95 and 6,344.02 is: 8,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.10 : 16,075.95 = 6,344.02 : x
  2. Step 2: Convert to fraction form
    11,649.10/16,075.95 = 6,344.02/x
  3. Step 3: Cross multiply
    11,649.10x = 16,075.95 × 6,344.02
  4. Step 4: Simplify right side
    11,649.10x = 101,986,148.32
  5. Step 5: Solve for x
    x = 101,986,148.32/11,649.10
  6. Step 6: Final answer
    x = 8,754.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.