Home / 13,305.10-19,957.65-8,898.70

Finding the Fourth Proportional to 13,305.10, 19,957.65 and 8,898.70

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Solution

The fourth proportional to 13,305.10, 19,957.65 and 8,898.70 is: 13,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.10 : 19,957.65 = 8,898.70 : x
  2. Step 2: Convert to fraction form
    13,305.10/19,957.65 = 8,898.70/x
  3. Step 3: Cross multiply
    13,305.10x = 19,957.65 × 8,898.70
  4. Step 4: Simplify right side
    13,305.10x = 177,597,140.06
  5. Step 5: Solve for x
    x = 177,597,140.06/13,305.10
  6. Step 6: Final answer
    x = 13,348.05

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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.