Home / 15,104.58-20,840.54-9,055.77

Finding the Fourth Proportional to 15,104.58, 20,840.54 and 9,055.77

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Solution

The fourth proportional to 15,104.58, 20,840.54 and 9,055.77 is: 12,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.58 : 20,840.54 = 9,055.77 : x
  2. Step 2: Convert to fraction form
    15,104.58/20,840.54 = 9,055.77/x
  3. Step 3: Cross multiply
    15,104.58x = 20,840.54 × 9,055.77
  4. Step 4: Simplify right side
    15,104.58x = 188,727,136.92
  5. Step 5: Solve for x
    x = 188,727,136.92/15,104.58
  6. Step 6: Final answer
    x = 12,494.70

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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.