Home / 13,898.59-20,847.89-4,671.07

Finding the Fourth Proportional to 13,898.59, 20,847.89 and 4,671.07

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Solution

The fourth proportional to 13,898.59, 20,847.89 and 4,671.07 is: 7,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.59 : 20,847.89 = 4,671.07 : x
  2. Step 2: Convert to fraction form
    13,898.59/20,847.89 = 4,671.07/x
  3. Step 3: Cross multiply
    13,898.59x = 20,847.89 × 4,671.07
  4. Step 4: Simplify right side
    13,898.59x = 97,381,953.54
  5. Step 5: Solve for x
    x = 97,381,953.54/13,898.59
  6. Step 6: Final answer
    x = 7,006.61

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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.