Home / 13,846.12-19,080.18-9,860.20

Finding the Fourth Proportional to 13,846.12, 19,080.18 and 9,860.20

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Solution

The fourth proportional to 13,846.12, 19,080.18 and 9,860.20 is: 13,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.12 : 19,080.18 = 9,860.20 : x
  2. Step 2: Convert to fraction form
    13,846.12/19,080.18 = 9,860.20/x
  3. Step 3: Cross multiply
    13,846.12x = 19,080.18 × 9,860.20
  4. Step 4: Simplify right side
    13,846.12x = 188,134,390.84
  5. Step 5: Solve for x
    x = 188,134,390.84/13,846.12
  6. Step 6: Final answer
    x = 13,587.52

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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.