Home / 15,059.84-20,783.30-9,091.35

Finding the Fourth Proportional to 15,059.84, 20,783.30 and 9,091.35

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Solution

The fourth proportional to 15,059.84, 20,783.30 and 9,091.35 is: 12,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059.84 : 20,783.30 = 9,091.35 : x
  2. Step 2: Convert to fraction form
    15,059.84/20,783.30 = 9,091.35/x
  3. Step 3: Cross multiply
    15,059.84x = 20,783.30 × 9,091.35
  4. Step 4: Simplify right side
    15,059.84x = 188,948,209.00
  5. Step 5: Solve for x
    x = 188,948,209.00/15,059.84
  6. Step 6: Final answer
    x = 12,546.50

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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.