Home / 15,830.32-23,745.64-4,143.54

Finding the Fourth Proportional to 15,830.32, 23,745.64 and 4,143.54

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Solution

The fourth proportional to 15,830.32, 23,745.64 and 4,143.54 is: 6,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830.32 : 23,745.64 = 4,143.54 : x
  2. Step 2: Convert to fraction form
    15,830.32/23,745.64 = 4,143.54/x
  3. Step 3: Cross multiply
    15,830.32x = 23,745.64 × 4,143.54
  4. Step 4: Simplify right side
    15,830.32x = 98,391,009.17
  5. Step 5: Solve for x
    x = 98,391,009.17/15,830.32
  6. Step 6: Final answer
    x = 6,215.35

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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.