Home / 14,372.40-19,823.22-12,690.84

Finding the Fourth Proportional to 14,372.40, 19,823.22 and 12,690.84

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Solution

The fourth proportional to 14,372.40, 19,823.22 and 12,690.84 is: 17,503.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.40 : 19,823.22 = 12,690.84 : x
  2. Step 2: Convert to fraction form
    14,372.40/19,823.22 = 12,690.84/x
  3. Step 3: Cross multiply
    14,372.40x = 19,823.22 × 12,690.84
  4. Step 4: Simplify right side
    14,372.40x = 251,573,313.30
  5. Step 5: Solve for x
    x = 251,573,313.30/14,372.40
  6. Step 6: Final answer
    x = 17,503.92

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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.