Home / 9,835.60-13,573.40-5,359.42

Finding the Fourth Proportional to 9,835.60, 13,573.40 and 5,359.42

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Solution

The fourth proportional to 9,835.60, 13,573.40 and 5,359.42 is: 7,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,835.60 : 13,573.40 = 5,359.42 : x
  2. Step 2: Convert to fraction form
    9,835.60/13,573.40 = 5,359.42/x
  3. Step 3: Cross multiply
    9,835.60x = 13,573.40 × 5,359.42
  4. Step 4: Simplify right side
    9,835.60x = 72,745,551.43
  5. Step 5: Solve for x
    x = 72,745,551.43/9,835.60
  6. Step 6: Final answer
    x = 7,396.15

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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.