Home / 10,004.74-13,807.31-5,528.87

Finding the Fourth Proportional to 10,004.74, 13,807.31 and 5,528.87

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Solution

The fourth proportional to 10,004.74, 13,807.31 and 5,528.87 is: 7,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.74 : 13,807.31 = 5,528.87 : x
  2. Step 2: Convert to fraction form
    10,004.74/13,807.31 = 5,528.87/x
  3. Step 3: Cross multiply
    10,004.74x = 13,807.31 × 5,528.87
  4. Step 4: Simplify right side
    10,004.74x = 76,338,794.40
  5. Step 5: Solve for x
    x = 76,338,794.40/10,004.74
  6. Step 6: Final answer
    x = 7,630.27

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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.