Home / 10,830.20-16,196.70-9,080.60

Finding the Fourth Proportional to 10,830.20, 16,196.70 and 9,080.60

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Solution

The fourth proportional to 10,830.20, 16,196.70 and 9,080.60 is: 13,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.20 : 16,196.70 = 9,080.60 : x
  2. Step 2: Convert to fraction form
    10,830.20/16,196.70 = 9,080.60/x
  3. Step 3: Cross multiply
    10,830.20x = 16,196.70 × 9,080.60
  4. Step 4: Simplify right side
    10,830.20x = 147,075,754.02
  5. Step 5: Solve for x
    x = 147,075,754.02/10,830.20
  6. Step 6: Final answer
    x = 13,580.15

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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.