Home / 12,875.86-19,302.67-4,983.90

Finding the Fourth Proportional to 12,875.86, 19,302.67 and 4,983.90

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Solution

The fourth proportional to 12,875.86, 19,302.67 and 4,983.90 is: 7,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.86 : 19,302.67 = 4,983.90 : x
  2. Step 2: Convert to fraction form
    12,875.86/19,302.67 = 4,983.90/x
  3. Step 3: Cross multiply
    12,875.86x = 19,302.67 × 4,983.90
  4. Step 4: Simplify right side
    12,875.86x = 96,202,577.01
  5. Step 5: Solve for x
    x = 96,202,577.01/12,875.86
  6. Step 6: Final answer
    x = 7,471.55

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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.