Home / 14,588.60-21,909.30-12,774.20

Finding the Fourth Proportional to 14,588.60, 21,909.30 and 12,774.20

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Solution

The fourth proportional to 14,588.60, 21,909.30 and 12,774.20 is: 19,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.60 : 21,909.30 = 12,774.20 : x
  2. Step 2: Convert to fraction form
    14,588.60/21,909.30 = 12,774.20/x
  3. Step 3: Cross multiply
    14,588.60x = 21,909.30 × 12,774.20
  4. Step 4: Simplify right side
    14,588.60x = 279,873,780.06
  5. Step 5: Solve for x
    x = 279,873,780.06/14,588.60
  6. Step 6: Final answer
    x = 19,184.42

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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.