Home / 10,130.60-15,203.04-3,557.30

Finding the Fourth Proportional to 10,130.60, 15,203.04 and 3,557.30

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Solution

The fourth proportional to 10,130.60, 15,203.04 and 3,557.30 is: 5,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.60 : 15,203.04 = 3,557.30 : x
  2. Step 2: Convert to fraction form
    10,130.60/15,203.04 = 3,557.30/x
  3. Step 3: Cross multiply
    10,130.60x = 15,203.04 × 3,557.30
  4. Step 4: Simplify right side
    10,130.60x = 54,081,790.36
  5. Step 5: Solve for x
    x = 54,081,790.36/10,130.60
  6. Step 6: Final answer
    x = 5,338.46

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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.