Home / 11,346.32-15,657-6,310.55

Finding the Fourth Proportional to 11,346.32, 15,657 and 6,310.55

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Solution

The fourth proportional to 11,346.32, 15,657 and 6,310.55 is: 8,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.32 : 15,657 = 6,310.55 : x
  2. Step 2: Convert to fraction form
    11,346.32/15,657 = 6,310.55/x
  3. Step 3: Cross multiply
    11,346.32x = 15,657 × 6,310.55
  4. Step 4: Simplify right side
    11,346.32x = 98,804,203.07
  5. Step 5: Solve for x
    x = 98,804,203.07/11,346.32
  6. Step 6: Final answer
    x = 8,708.04

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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.