Home / 14,948.40-20,628.80-8,234.04

Finding the Fourth Proportional to 14,948.40, 20,628.80 and 8,234.04

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Solution

The fourth proportional to 14,948.40, 20,628.80 and 8,234.04 is: 11,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.40 : 20,628.80 = 8,234.04 : x
  2. Step 2: Convert to fraction form
    14,948.40/20,628.80 = 8,234.04/x
  3. Step 3: Cross multiply
    14,948.40x = 20,628.80 × 8,234.04
  4. Step 4: Simplify right side
    14,948.40x = 169,858,364.35
  5. Step 5: Solve for x
    x = 169,858,364.35/14,948.40
  6. Step 6: Final answer
    x = 11,362.98

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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.