Home / 15,830.40-23,745.60-14,372.40

Finding the Fourth Proportional to 15,830.40, 23,745.60 and 14,372.40

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Solution

The fourth proportional to 15,830.40, 23,745.60 and 14,372.40 is: 21,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830.40 : 23,745.60 = 14,372.40 : x
  2. Step 2: Convert to fraction form
    15,830.40/23,745.60 = 14,372.40/x
  3. Step 3: Cross multiply
    15,830.40x = 23,745.60 × 14,372.40
  4. Step 4: Simplify right side
    15,830.40x = 341,281,261.44
  5. Step 5: Solve for x
    x = 341,281,261.44/15,830.40
  6. Step 6: Final answer
    x = 21,558.60

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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.