Home / 14,468.40-21,702.60-8,903.70

Finding the Fourth Proportional to 14,468.40, 21,702.60 and 8,903.70

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Solution

The fourth proportional to 14,468.40, 21,702.60 and 8,903.70 is: 13,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.40 : 21,702.60 = 8,903.70 : x
  2. Step 2: Convert to fraction form
    14,468.40/21,702.60 = 8,903.70/x
  3. Step 3: Cross multiply
    14,468.40x = 21,702.60 × 8,903.70
  4. Step 4: Simplify right side
    14,468.40x = 193,233,439.62
  5. Step 5: Solve for x
    x = 193,233,439.62/14,468.40
  6. Step 6: Final answer
    x = 13,355.55

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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.