Home / 19,807.20-29,692.31-9,934.92

Finding the Fourth Proportional to 19,807.20, 29,692.31 and 9,934.92

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Solution

The fourth proportional to 19,807.20, 29,692.31 and 9,934.92 is: 14,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.20 : 29,692.31 = 9,934.92 : x
  2. Step 2: Convert to fraction form
    19,807.20/29,692.31 = 9,934.92/x
  3. Step 3: Cross multiply
    19,807.20x = 29,692.31 × 9,934.92
  4. Step 4: Simplify right side
    19,807.20x = 294,990,674.79
  5. Step 5: Solve for x
    x = 294,990,674.79/19,807.20
  6. Step 6: Final answer
    x = 14,893.10

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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.