Home / 10,258.78-14,164.70-6,285.32

Finding the Fourth Proportional to 10,258.78, 14,164.70 and 6,285.32

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Solution

The fourth proportional to 10,258.78, 14,164.70 and 6,285.32 is: 8,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.78 : 14,164.70 = 6,285.32 : x
  2. Step 2: Convert to fraction form
    10,258.78/14,164.70 = 6,285.32/x
  3. Step 3: Cross multiply
    10,258.78x = 14,164.70 × 6,285.32
  4. Step 4: Simplify right side
    10,258.78x = 89,029,672.20
  5. Step 5: Solve for x
    x = 89,029,672.20/10,258.78
  6. Step 6: Final answer
    x = 8,678.39

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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.