Home / 13,633.01-20,458.93-8,955.26

Finding the Fourth Proportional to 13,633.01, 20,458.93 and 8,955.26

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Solution

The fourth proportional to 13,633.01, 20,458.93 and 8,955.26 is: 13,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.01 : 20,458.93 = 8,955.26 : x
  2. Step 2: Convert to fraction form
    13,633.01/20,458.93 = 8,955.26/x
  3. Step 3: Cross multiply
    13,633.01x = 20,458.93 × 8,955.26
  4. Step 4: Simplify right side
    13,633.01x = 183,215,037.47
  5. Step 5: Solve for x
    x = 183,215,037.47/13,633.01
  6. Step 6: Final answer
    x = 13,439.07

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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.