Home / 14,275.80-21,438.36-12,086.10

Finding the Fourth Proportional to 14,275.80, 21,438.36 and 12,086.10

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Solution

The fourth proportional to 14,275.80, 21,438.36 and 12,086.10 is: 18,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.80 : 21,438.36 = 12,086.10 : x
  2. Step 2: Convert to fraction form
    14,275.80/21,438.36 = 12,086.10/x
  3. Step 3: Cross multiply
    14,275.80x = 21,438.36 × 12,086.10
  4. Step 4: Simplify right side
    14,275.80x = 259,106,162.80
  5. Step 5: Solve for x
    x = 259,106,162.80/14,275.80
  6. Step 6: Final answer
    x = 18,150.03

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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.