Home / 19,974.06-29,920.98-9,948.60

Finding the Fourth Proportional to 19,974.06, 29,920.98 and 9,948.60

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Solution

The fourth proportional to 19,974.06, 29,920.98 and 9,948.60 is: 14,902.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.06 : 29,920.98 = 9,948.60 : x
  2. Step 2: Convert to fraction form
    19,974.06/29,920.98 = 9,948.60/x
  3. Step 3: Cross multiply
    19,974.06x = 29,920.98 × 9,948.60
  4. Step 4: Simplify right side
    19,974.06x = 297,671,861.63
  5. Step 5: Solve for x
    x = 297,671,861.63/19,974.06
  6. Step 6: Final answer
    x = 14,902.92

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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.