Home / 15,541.58-21,447.90-8,826.98

Finding the Fourth Proportional to 15,541.58, 21,447.90 and 8,826.98

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Solution

The fourth proportional to 15,541.58, 21,447.90 and 8,826.98 is: 12,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.58 : 21,447.90 = 8,826.98 : x
  2. Step 2: Convert to fraction form
    15,541.58/21,447.90 = 8,826.98/x
  3. Step 3: Cross multiply
    15,541.58x = 21,447.90 × 8,826.98
  4. Step 4: Simplify right side
    15,541.58x = 189,320,077.10
  5. Step 5: Solve for x
    x = 189,320,077.10/15,541.58
  6. Step 6: Final answer
    x = 12,181.52

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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.