Home / 20,692.92-31,015.08-9,576.15

Finding the Fourth Proportional to 20,692.92, 31,015.08 and 9,576.15

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Solution

The fourth proportional to 20,692.92, 31,015.08 and 9,576.15 is: 14,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692.92 : 31,015.08 = 9,576.15 : x
  2. Step 2: Convert to fraction form
    20,692.92/31,015.08 = 9,576.15/x
  3. Step 3: Cross multiply
    20,692.92x = 31,015.08 × 9,576.15
  4. Step 4: Simplify right side
    20,692.92x = 297,005,058.34
  5. Step 5: Solve for x
    x = 297,005,058.34/20,692.92
  6. Step 6: Final answer
    x = 14,352.98

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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.