Home / 17,856.15-24,628.40-12,825.54

Finding the Fourth Proportional to 17,856.15, 24,628.40 and 12,825.54

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Solution

The fourth proportional to 17,856.15, 24,628.40 and 12,825.54 is: 17,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.15 : 24,628.40 = 12,825.54 : x
  2. Step 2: Convert to fraction form
    17,856.15/24,628.40 = 12,825.54/x
  3. Step 3: Cross multiply
    17,856.15x = 24,628.40 × 12,825.54
  4. Step 4: Simplify right side
    17,856.15x = 315,872,465.21
  5. Step 5: Solve for x
    x = 315,872,465.21/17,856.15
  6. Step 6: Final answer
    x = 17,689.84

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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.