Home / 12,575.18-18,865.82-4,678.00

Finding the Fourth Proportional to 12,575.18, 18,865.82 and 4,678.00

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Solution

The fourth proportional to 12,575.18, 18,865.82 and 4,678.00 is: 7,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.18 : 18,865.82 = 4,678.00 : x
  2. Step 2: Convert to fraction form
    12,575.18/18,865.82 = 4,678.00/x
  3. Step 3: Cross multiply
    12,575.18x = 18,865.82 × 4,678.00
  4. Step 4: Simplify right side
    12,575.18x = 88,254,270.49
  5. Step 5: Solve for x
    x = 88,254,270.49/12,575.18
  6. Step 6: Final answer
    x = 7,018.13

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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.