Home / 13,112.34-19,646.61-5,705.70

Finding the Fourth Proportional to 13,112.34, 19,646.61 and 5,705.70

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Solution

The fourth proportional to 13,112.34, 19,646.61 and 5,705.70 is: 8,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.34 : 19,646.61 = 5,705.70 : x
  2. Step 2: Convert to fraction form
    13,112.34/19,646.61 = 5,705.70/x
  3. Step 3: Cross multiply
    13,112.34x = 19,646.61 × 5,705.70
  4. Step 4: Simplify right side
    13,112.34x = 112,097,662.68
  5. Step 5: Solve for x
    x = 112,097,662.68/13,112.34
  6. Step 6: Final answer
    x = 8,549.02

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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.