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Finding the Fourth Proportional to 37,508.60, 56,255.70 and 11,214.20

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Solution

The fourth proportional to 37,508.60, 56,255.70 and 11,214.20 is: 16,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,508.60 : 56,255.70 = 11,214.20 : x
  2. Step 2: Convert to fraction form
    37,508.60/56,255.70 = 11,214.20/x
  3. Step 3: Cross multiply
    37,508.60x = 56,255.70 × 11,214.20
  4. Step 4: Simplify right side
    37,508.60x = 630,862,670.94
  5. Step 5: Solve for x
    x = 630,862,670.94/37,508.60
  6. Step 6: Final answer
    x = 16,819.15

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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.