Home / 15,826.74-21,841.23-8,753.64

Finding the Fourth Proportional to 15,826.74, 21,841.23 and 8,753.64

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Solution

The fourth proportional to 15,826.74, 21,841.23 and 8,753.64 is: 12,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.74 : 21,841.23 = 8,753.64 : x
  2. Step 2: Convert to fraction form
    15,826.74/21,841.23 = 8,753.64/x
  3. Step 3: Cross multiply
    15,826.74x = 21,841.23 × 8,753.64
  4. Step 4: Simplify right side
    15,826.74x = 191,190,264.58
  5. Step 5: Solve for x
    x = 191,190,264.58/15,826.74
  6. Step 6: Final answer
    x = 12,080.21

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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.