Home / 12,899.22-19,345.58-4,999.02

Finding the Fourth Proportional to 12,899.22, 19,345.58 and 4,999.02

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Solution

The fourth proportional to 12,899.22, 19,345.58 and 4,999.02 is: 7,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899.22 : 19,345.58 = 4,999.02 : x
  2. Step 2: Convert to fraction form
    12,899.22/19,345.58 = 4,999.02/x
  3. Step 3: Cross multiply
    12,899.22x = 19,345.58 × 4,999.02
  4. Step 4: Simplify right side
    12,899.22x = 96,708,916.34
  5. Step 5: Solve for x
    x = 96,708,916.34/12,899.22
  6. Step 6: Final answer
    x = 7,497.27

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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.