Home / 10,840.92-16,276.95-6,689.10

Finding the Fourth Proportional to 10,840.92, 16,276.95 and 6,689.10

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Solution

The fourth proportional to 10,840.92, 16,276.95 and 6,689.10 is: 10,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.92 : 16,276.95 = 6,689.10 : x
  2. Step 2: Convert to fraction form
    10,840.92/16,276.95 = 6,689.10/x
  3. Step 3: Cross multiply
    10,840.92x = 16,276.95 × 6,689.10
  4. Step 4: Simplify right side
    10,840.92x = 108,878,146.25
  5. Step 5: Solve for x
    x = 108,878,146.25/10,840.92
  6. Step 6: Final answer
    x = 10,043.26

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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.