Home / 18,904.59-28,313.75-9,050.84

Finding the Fourth Proportional to 18,904.59, 28,313.75 and 9,050.84

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Solution

The fourth proportional to 18,904.59, 28,313.75 and 9,050.84 is: 13,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.59 : 28,313.75 = 9,050.84 : x
  2. Step 2: Convert to fraction form
    18,904.59/28,313.75 = 9,050.84/x
  3. Step 3: Cross multiply
    18,904.59x = 28,313.75 × 9,050.84
  4. Step 4: Simplify right side
    18,904.59x = 256,263,208.28
  5. Step 5: Solve for x
    x = 256,263,208.28/18,904.59
  6. Step 6: Final answer
    x = 13,555.61

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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.