Home / 10,303.60-15,455.40-2,512.48

Finding the Fourth Proportional to 10,303.60, 15,455.40 and 2,512.48

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Solution

The fourth proportional to 10,303.60, 15,455.40 and 2,512.48 is: 3,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.60 : 15,455.40 = 2,512.48 : x
  2. Step 2: Convert to fraction form
    10,303.60/15,455.40 = 2,512.48/x
  3. Step 3: Cross multiply
    10,303.60x = 15,455.40 × 2,512.48
  4. Step 4: Simplify right side
    10,303.60x = 38,831,383.39
  5. Step 5: Solve for x
    x = 38,831,383.39/10,303.60
  6. Step 6: Final answer
    x = 3,768.72

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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.