Home / 11,075.57-15,284.18-6,359.88

Finding the Fourth Proportional to 11,075.57, 15,284.18 and 6,359.88

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Solution

The fourth proportional to 11,075.57, 15,284.18 and 6,359.88 is: 8,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.57 : 15,284.18 = 6,359.88 : x
  2. Step 2: Convert to fraction form
    11,075.57/15,284.18 = 6,359.88/x
  3. Step 3: Cross multiply
    11,075.57x = 15,284.18 × 6,359.88
  4. Step 4: Simplify right side
    11,075.57x = 97,205,566.60
  5. Step 5: Solve for x
    x = 97,205,566.60/11,075.57
  6. Step 6: Final answer
    x = 8,776.58

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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.