Home / 10,257.70-14,156.69-6,281.45

Finding the Fourth Proportional to 10,257.70, 14,156.69 and 6,281.45

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Solution

The fourth proportional to 10,257.70, 14,156.69 and 6,281.45 is: 8,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.70 : 14,156.69 = 6,281.45 : x
  2. Step 2: Convert to fraction form
    10,257.70/14,156.69 = 6,281.45/x
  3. Step 3: Cross multiply
    10,257.70x = 14,156.69 × 6,281.45
  4. Step 4: Simplify right side
    10,257.70x = 88,924,540.40
  5. Step 5: Solve for x
    x = 88,924,540.40/10,257.70
  6. Step 6: Final answer
    x = 8,669.05

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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.