Home / 13,310.46-18,374.54-9,484.74

Finding the Fourth Proportional to 13,310.46, 18,374.54 and 9,484.74

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Solution

The fourth proportional to 13,310.46, 18,374.54 and 9,484.74 is: 13,093.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.46 : 18,374.54 = 9,484.74 : x
  2. Step 2: Convert to fraction form
    13,310.46/18,374.54 = 9,484.74/x
  3. Step 3: Cross multiply
    13,310.46x = 18,374.54 × 9,484.74
  4. Step 4: Simplify right side
    13,310.46x = 174,277,687.10
  5. Step 5: Solve for x
    x = 174,277,687.10/13,310.46
  6. Step 6: Final answer
    x = 13,093.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.