Home / 9,856.80-13,602.54-5,380.59

Finding the Fourth Proportional to 9,856.80, 13,602.54 and 5,380.59

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Solution

The fourth proportional to 9,856.80, 13,602.54 and 5,380.59 is: 7,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,856.80 : 13,602.54 = 5,380.59 : x
  2. Step 2: Convert to fraction form
    9,856.80/13,602.54 = 5,380.59/x
  3. Step 3: Cross multiply
    9,856.80x = 13,602.54 × 5,380.59
  4. Step 4: Simplify right side
    9,856.80x = 73,189,690.70
  5. Step 5: Solve for x
    x = 73,189,690.70/9,856.80
  6. Step 6: Final answer
    x = 7,425.30

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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.