Home / 19,348.20-26,692.56-12,631.50

Finding the Fourth Proportional to 19,348.20, 26,692.56 and 12,631.50

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Solution

The fourth proportional to 19,348.20, 26,692.56 and 12,631.50 is: 17,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.20 : 26,692.56 = 12,631.50 : x
  2. Step 2: Convert to fraction form
    19,348.20/26,692.56 = 12,631.50/x
  3. Step 3: Cross multiply
    19,348.20x = 26,692.56 × 12,631.50
  4. Step 4: Simplify right side
    19,348.20x = 337,167,071.64
  5. Step 5: Solve for x
    x = 337,167,071.64/19,348.20
  6. Step 6: Final answer
    x = 17,426.28

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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.