Home / 10,258.86-14,156.40-6,279.42

Finding the Fourth Proportional to 10,258.86, 14,156.40 and 6,279.42

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Solution

The fourth proportional to 10,258.86, 14,156.40 and 6,279.42 is: 8,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.86 : 14,156.40 = 6,279.42 : x
  2. Step 2: Convert to fraction form
    10,258.86/14,156.40 = 6,279.42/x
  3. Step 3: Cross multiply
    10,258.86x = 14,156.40 × 6,279.42
  4. Step 4: Simplify right side
    10,258.86x = 88,893,981.29
  5. Step 5: Solve for x
    x = 88,893,981.29/10,258.86
  6. Step 6: Final answer
    x = 8,665.09

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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.