Home / 9,149.02-12,612.72-6,495.46

Finding the Fourth Proportional to 9,149.02, 12,612.72 and 6,495.46

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Solution

The fourth proportional to 9,149.02, 12,612.72 and 6,495.46 is: 8,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.02 : 12,612.72 = 6,495.46 : x
  2. Step 2: Convert to fraction form
    9,149.02/12,612.72 = 6,495.46/x
  3. Step 3: Cross multiply
    9,149.02x = 12,612.72 × 6,495.46
  4. Step 4: Simplify right side
    9,149.02x = 81,925,418.25
  5. Step 5: Solve for x
    x = 81,925,418.25/9,149.02
  6. Step 6: Final answer
    x = 8,954.56

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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.