Home / 14,987.78-22,464.16-11,278.08

Finding the Fourth Proportional to 14,987.78, 22,464.16 and 11,278.08

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Solution

The fourth proportional to 14,987.78, 22,464.16 and 11,278.08 is: 16,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.78 : 22,464.16 = 11,278.08 : x
  2. Step 2: Convert to fraction form
    14,987.78/22,464.16 = 11,278.08/x
  3. Step 3: Cross multiply
    14,987.78x = 22,464.16 × 11,278.08
  4. Step 4: Simplify right side
    14,987.78x = 253,352,565.42
  5. Step 5: Solve for x
    x = 253,352,565.42/14,987.78
  6. Step 6: Final answer
    x = 16,903.95

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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.