Home / 14,299.28-19,627.78-12,692.24

Finding the Fourth Proportional to 14,299.28, 19,627.78 and 12,692.24

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Solution

The fourth proportional to 14,299.28, 19,627.78 and 12,692.24 is: 17,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.28 : 19,627.78 = 12,692.24 : x
  2. Step 2: Convert to fraction form
    14,299.28/19,627.78 = 12,692.24/x
  3. Step 3: Cross multiply
    14,299.28x = 19,627.78 × 12,692.24
  4. Step 4: Simplify right side
    14,299.28x = 249,120,494.43
  5. Step 5: Solve for x
    x = 249,120,494.43/14,299.28
  6. Step 6: Final answer
    x = 17,421.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.