Home / 19,276.64-28,893.74-12,610.40

Finding the Fourth Proportional to 19,276.64, 28,893.74 and 12,610.40

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Solution

The fourth proportional to 19,276.64, 28,893.74 and 12,610.40 is: 18,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.64 : 28,893.74 = 12,610.40 : x
  2. Step 2: Convert to fraction form
    19,276.64/28,893.74 = 12,610.40/x
  3. Step 3: Cross multiply
    19,276.64x = 28,893.74 × 12,610.40
  4. Step 4: Simplify right side
    19,276.64x = 364,361,618.90
  5. Step 5: Solve for x
    x = 364,361,618.90/19,276.64
  6. Step 6: Final answer
    x = 18,901.72

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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.