Home / 10,554.61-15,826.07-4,319

Finding the Fourth Proportional to 10,554.61, 15,826.07 and 4,319

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Solution

The fourth proportional to 10,554.61, 15,826.07 and 4,319 is: 6,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.61 : 15,826.07 = 4,319 : x
  2. Step 2: Convert to fraction form
    10,554.61/15,826.07 = 4,319/x
  3. Step 3: Cross multiply
    10,554.61x = 15,826.07 × 4,319
  4. Step 4: Simplify right side
    10,554.61x = 68,352,796.33
  5. Step 5: Solve for x
    x = 68,352,796.33/10,554.61
  6. Step 6: Final answer
    x = 6,476.11

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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.