Home / 13,080.30-18,041.67-8,602.62

Finding the Fourth Proportional to 13,080.30, 18,041.67 and 8,602.62

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Solution

The fourth proportional to 13,080.30, 18,041.67 and 8,602.62 is: 11,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.30 : 18,041.67 = 8,602.62 : x
  2. Step 2: Convert to fraction form
    13,080.30/18,041.67 = 8,602.62/x
  3. Step 3: Cross multiply
    13,080.30x = 18,041.67 × 8,602.62
  4. Step 4: Simplify right side
    13,080.30x = 155,205,631.18
  5. Step 5: Solve for x
    x = 155,205,631.18/13,080.30
  6. Step 6: Final answer
    x = 11,865.60

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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.