Home / 19,019.64-28,533.78-10,254.36

Finding the Fourth Proportional to 19,019.64, 28,533.78 and 10,254.36

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Solution

The fourth proportional to 19,019.64, 28,533.78 and 10,254.36 is: 15,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.64 : 28,533.78 = 10,254.36 : x
  2. Step 2: Convert to fraction form
    19,019.64/28,533.78 = 10,254.36/x
  3. Step 3: Cross multiply
    19,019.64x = 28,533.78 × 10,254.36
  4. Step 4: Simplify right side
    19,019.64x = 292,595,652.28
  5. Step 5: Solve for x
    x = 292,595,652.28/19,019.64
  6. Step 6: Final answer
    x = 15,383.87

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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.