Home / 10,633.60-15,950.40-5,085.64

Finding the Fourth Proportional to 10,633.60, 15,950.40 and 5,085.64

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Solution

The fourth proportional to 10,633.60, 15,950.40 and 5,085.64 is: 7,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.60 : 15,950.40 = 5,085.64 : x
  2. Step 2: Convert to fraction form
    10,633.60/15,950.40 = 5,085.64/x
  3. Step 3: Cross multiply
    10,633.60x = 15,950.40 × 5,085.64
  4. Step 4: Simplify right side
    10,633.60x = 81,117,992.26
  5. Step 5: Solve for x
    x = 81,117,992.26/10,633.60
  6. Step 6: Final answer
    x = 7,628.46

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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.