Home / 10,257.93-14,157.45-6,278.40

Finding the Fourth Proportional to 10,257.93, 14,157.45 and 6,278.40

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Solution

The fourth proportional to 10,257.93, 14,157.45 and 6,278.40 is: 8,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.93 : 14,157.45 = 6,278.40 : x
  2. Step 2: Convert to fraction form
    10,257.93/14,157.45 = 6,278.40/x
  3. Step 3: Cross multiply
    10,257.93x = 14,157.45 × 6,278.40
  4. Step 4: Simplify right side
    10,257.93x = 88,886,134.08
  5. Step 5: Solve for x
    x = 88,886,134.08/10,257.93
  6. Step 6: Final answer
    x = 8,665.11

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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.