Home / 10,685.45-14,745.71-6,495.05

Finding the Fourth Proportional to 10,685.45, 14,745.71 and 6,495.05

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Solution

The fourth proportional to 10,685.45, 14,745.71 and 6,495.05 is: 8,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.45 : 14,745.71 = 6,495.05 : x
  2. Step 2: Convert to fraction form
    10,685.45/14,745.71 = 6,495.05/x
  3. Step 3: Cross multiply
    10,685.45x = 14,745.71 × 6,495.05
  4. Step 4: Simplify right side
    10,685.45x = 95,774,091.26
  5. Step 5: Solve for x
    x = 95,774,091.26/10,685.45
  6. Step 6: Final answer
    x = 8,963.04

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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.