Home / 15,027.19-20,730.54-9,723.72

Finding the Fourth Proportional to 15,027.19, 20,730.54 and 9,723.72

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Solution

The fourth proportional to 15,027.19, 20,730.54 and 9,723.72 is: 13,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.19 : 20,730.54 = 9,723.72 : x
  2. Step 2: Convert to fraction form
    15,027.19/20,730.54 = 9,723.72/x
  3. Step 3: Cross multiply
    15,027.19x = 20,730.54 × 9,723.72
  4. Step 4: Simplify right side
    15,027.19x = 201,577,966.41
  5. Step 5: Solve for x
    x = 201,577,966.41/15,027.19
  6. Step 6: Final answer
    x = 13,414.22

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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.