Home / 10,257.21-14,156.01-6,280.95

Finding the Fourth Proportional to 10,257.21, 14,156.01 and 6,280.95

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Solution

The fourth proportional to 10,257.21, 14,156.01 and 6,280.95 is: 8,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.21 : 14,156.01 = 6,280.95 : x
  2. Step 2: Convert to fraction form
    10,257.21/14,156.01 = 6,280.95/x
  3. Step 3: Cross multiply
    10,257.21x = 14,156.01 × 6,280.95
  4. Step 4: Simplify right side
    10,257.21x = 88,913,191.01
  5. Step 5: Solve for x
    x = 88,913,191.01/10,257.21
  6. Step 6: Final answer
    x = 8,668.36

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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.