Home / 10,611.64-14,638.58-6,359.32

Finding the Fourth Proportional to 10,611.64, 14,638.58 and 6,359.32

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Solution

The fourth proportional to 10,611.64, 14,638.58 and 6,359.32 is: 8,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.64 : 14,638.58 = 6,359.32 : x
  2. Step 2: Convert to fraction form
    10,611.64/14,638.58 = 6,359.32/x
  3. Step 3: Cross multiply
    10,611.64x = 14,638.58 × 6,359.32
  4. Step 4: Simplify right side
    10,611.64x = 93,091,414.57
  5. Step 5: Solve for x
    x = 93,091,414.57/10,611.64
  6. Step 6: Final answer
    x = 8,772.58

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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.