Home / 10,612.56-14,647.20-6,135.60

Finding the Fourth Proportional to 10,612.56, 14,647.20 and 6,135.60

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Solution

The fourth proportional to 10,612.56, 14,647.20 and 6,135.60 is: 8,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.56 : 14,647.20 = 6,135.60 : x
  2. Step 2: Convert to fraction form
    10,612.56/14,647.20 = 6,135.60/x
  3. Step 3: Cross multiply
    10,612.56x = 14,647.20 × 6,135.60
  4. Step 4: Simplify right side
    10,612.56x = 89,869,360.32
  5. Step 5: Solve for x
    x = 89,869,360.32/10,612.56
  6. Step 6: Final answer
    x = 8,468.21

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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.