Home / 12,927.60-19,331.46-9,808.29

Finding the Fourth Proportional to 12,927.60, 19,331.46 and 9,808.29

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Solution

The fourth proportional to 12,927.60, 19,331.46 and 9,808.29 is: 14,666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.60 : 19,331.46 = 9,808.29 : x
  2. Step 2: Convert to fraction form
    12,927.60/19,331.46 = 9,808.29/x
  3. Step 3: Cross multiply
    12,927.60x = 19,331.46 × 9,808.29
  4. Step 4: Simplify right side
    12,927.60x = 189,608,565.80
  5. Step 5: Solve for x
    x = 189,608,565.80/12,927.60
  6. Step 6: Final answer
    x = 14,666.96

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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.