Home / 14,746.61-20,350.34-8,778.48

Finding the Fourth Proportional to 14,746.61, 20,350.34 and 8,778.48

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Solution

The fourth proportional to 14,746.61, 20,350.34 and 8,778.48 is: 12,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.61 : 20,350.34 = 8,778.48 : x
  2. Step 2: Convert to fraction form
    14,746.61/20,350.34 = 8,778.48/x
  3. Step 3: Cross multiply
    14,746.61x = 20,350.34 × 8,778.48
  4. Step 4: Simplify right side
    14,746.61x = 178,644,965.40
  5. Step 5: Solve for x
    x = 178,644,965.40/14,746.61
  6. Step 6: Final answer
    x = 12,114.31

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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.