Home / 15,817.08-21,826.70-8,743.04

Finding the Fourth Proportional to 15,817.08, 21,826.70 and 8,743.04

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Solution

The fourth proportional to 15,817.08, 21,826.70 and 8,743.04 is: 12,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.08 : 21,826.70 = 8,743.04 : x
  2. Step 2: Convert to fraction form
    15,817.08/21,826.70 = 8,743.04/x
  3. Step 3: Cross multiply
    15,817.08x = 21,826.70 × 8,743.04
  4. Step 4: Simplify right side
    15,817.08x = 190,831,711.17
  5. Step 5: Solve for x
    x = 190,831,711.17/15,817.08
  6. Step 6: Final answer
    x = 12,064.91

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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.