Home / 15,816.38-21,826.80-8,743.46

Finding the Fourth Proportional to 15,816.38, 21,826.80 and 8,743.46

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Solution

The fourth proportional to 15,816.38, 21,826.80 and 8,743.46 is: 12,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816.38 : 21,826.80 = 8,743.46 : x
  2. Step 2: Convert to fraction form
    15,816.38/21,826.80 = 8,743.46/x
  3. Step 3: Cross multiply
    15,816.38x = 21,826.80 × 8,743.46
  4. Step 4: Simplify right side
    15,816.38x = 190,841,643.59
  5. Step 5: Solve for x
    x = 190,841,643.59/15,816.38
  6. Step 6: Final answer
    x = 12,066.08

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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.