Home / 10,004.80-13,805.90-5,528.50

Finding the Fourth Proportional to 10,004.80, 13,805.90 and 5,528.50

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Solution

The fourth proportional to 10,004.80, 13,805.90 and 5,528.50 is: 7,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.80 : 13,805.90 = 5,528.50 : x
  2. Step 2: Convert to fraction form
    10,004.80/13,805.90 = 5,528.50/x
  3. Step 3: Cross multiply
    10,004.80x = 13,805.90 × 5,528.50
  4. Step 4: Simplify right side
    10,004.80x = 76,325,918.15
  5. Step 5: Solve for x
    x = 76,325,918.15/10,004.80
  6. Step 6: Final answer
    x = 7,628.93

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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.