Home / 13,330.14-19,990.04-4,443.74

Finding the Fourth Proportional to 13,330.14, 19,990.04 and 4,443.74

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Solution

The fourth proportional to 13,330.14, 19,990.04 and 4,443.74 is: 6,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.14 : 19,990.04 = 4,443.74 : x
  2. Step 2: Convert to fraction form
    13,330.14/19,990.04 = 4,443.74/x
  3. Step 3: Cross multiply
    13,330.14x = 19,990.04 × 4,443.74
  4. Step 4: Simplify right side
    13,330.14x = 88,830,540.35
  5. Step 5: Solve for x
    x = 88,830,540.35/13,330.14
  6. Step 6: Final answer
    x = 6,663.89

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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.