Home / 13,097.80-19,646.70-5,705.80

Finding the Fourth Proportional to 13,097.80, 19,646.70 and 5,705.80

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Solution

The fourth proportional to 13,097.80, 19,646.70 and 5,705.80 is: 8,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.80 : 19,646.70 = 5,705.80 : x
  2. Step 2: Convert to fraction form
    13,097.80/19,646.70 = 5,705.80/x
  3. Step 3: Cross multiply
    13,097.80x = 19,646.70 × 5,705.80
  4. Step 4: Simplify right side
    13,097.80x = 112,100,140.86
  5. Step 5: Solve for x
    x = 112,100,140.86/13,097.80
  6. Step 6: Final answer
    x = 8,558.70

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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.