Home / 10,554.78-14,566.28-6,078.45

Finding the Fourth Proportional to 10,554.78, 14,566.28 and 6,078.45

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Solution

The fourth proportional to 10,554.78, 14,566.28 and 6,078.45 is: 8,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.78 : 14,566.28 = 6,078.45 : x
  2. Step 2: Convert to fraction form
    10,554.78/14,566.28 = 6,078.45/x
  3. Step 3: Cross multiply
    10,554.78x = 14,566.28 × 6,078.45
  4. Step 4: Simplify right side
    10,554.78x = 88,540,374.27
  5. Step 5: Solve for x
    x = 88,540,374.27/10,554.78
  6. Step 6: Final answer
    x = 8,388.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.