Home / 14,036.15-21,069.38-12,486.08

Finding the Fourth Proportional to 14,036.15, 21,069.38 and 12,486.08

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Solution

The fourth proportional to 14,036.15, 21,069.38 and 12,486.08 is: 18,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.15 : 21,069.38 = 12,486.08 : x
  2. Step 2: Convert to fraction form
    14,036.15/21,069.38 = 12,486.08/x
  3. Step 3: Cross multiply
    14,036.15x = 21,069.38 × 12,486.08
  4. Step 4: Simplify right side
    14,036.15x = 263,074,048.12
  5. Step 5: Solve for x
    x = 263,074,048.12/14,036.15
  6. Step 6: Final answer
    x = 18,742.60

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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.