Home / 12,703.56-19,052.64-8,995.20

Finding the Fourth Proportional to 12,703.56, 19,052.64 and 8,995.20

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Solution

The fourth proportional to 12,703.56, 19,052.64 and 8,995.20 is: 13,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.56 : 19,052.64 = 8,995.20 : x
  2. Step 2: Convert to fraction form
    12,703.56/19,052.64 = 8,995.20/x
  3. Step 3: Cross multiply
    12,703.56x = 19,052.64 × 8,995.20
  4. Step 4: Simplify right side
    12,703.56x = 171,382,307.33
  5. Step 5: Solve for x
    x = 171,382,307.33/12,703.56
  6. Step 6: Final answer
    x = 13,490.89

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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.