Home / 19,269.30-28,903.54-8,881.06

Finding the Fourth Proportional to 19,269.30, 28,903.54 and 8,881.06

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Solution

The fourth proportional to 19,269.30, 28,903.54 and 8,881.06 is: 13,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.30 : 28,903.54 = 8,881.06 : x
  2. Step 2: Convert to fraction form
    19,269.30/28,903.54 = 8,881.06/x
  3. Step 3: Cross multiply
    19,269.30x = 28,903.54 × 8,881.06
  4. Step 4: Simplify right side
    19,269.30x = 256,694,072.95
  5. Step 5: Solve for x
    x = 256,694,072.95/19,269.30
  6. Step 6: Final answer
    x = 13,321.40

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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.