Home / 14,276.90-19,702.37-8,308.44

Finding the Fourth Proportional to 14,276.90, 19,702.37 and 8,308.44

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Solution

The fourth proportional to 14,276.90, 19,702.37 and 8,308.44 is: 11,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.90 : 19,702.37 = 8,308.44 : x
  2. Step 2: Convert to fraction form
    14,276.90/19,702.37 = 8,308.44/x
  3. Step 3: Cross multiply
    14,276.90x = 19,702.37 × 8,308.44
  4. Step 4: Simplify right side
    14,276.90x = 163,695,959.00
  5. Step 5: Solve for x
    x = 163,695,959.00/14,276.90
  6. Step 6: Final answer
    x = 11,465.79

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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.