Home / 10,772.64-16,155.36-6,612.48

Finding the Fourth Proportional to 10,772.64, 16,155.36 and 6,612.48

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Solution

The fourth proportional to 10,772.64, 16,155.36 and 6,612.48 is: 9,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.64 : 16,155.36 = 6,612.48 : x
  2. Step 2: Convert to fraction form
    10,772.64/16,155.36 = 6,612.48/x
  3. Step 3: Cross multiply
    10,772.64x = 16,155.36 × 6,612.48
  4. Step 4: Simplify right side
    10,772.64x = 106,826,994.89
  5. Step 5: Solve for x
    x = 106,826,994.89/10,772.64
  6. Step 6: Final answer
    x = 9,916.51

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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.