Home / 12,080.07-18,106.47-6,521.04

Finding the Fourth Proportional to 12,080.07, 18,106.47 and 6,521.04

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Solution

The fourth proportional to 12,080.07, 18,106.47 and 6,521.04 is: 9,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.07 : 18,106.47 = 6,521.04 : x
  2. Step 2: Convert to fraction form
    12,080.07/18,106.47 = 6,521.04/x
  3. Step 3: Cross multiply
    12,080.07x = 18,106.47 × 6,521.04
  4. Step 4: Simplify right side
    12,080.07x = 118,073,015.13
  5. Step 5: Solve for x
    x = 118,073,015.13/12,080.07
  6. Step 6: Final answer
    x = 9,774.20

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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.