Home / 10,086.21-13,915.14-6,256.07

Finding the Fourth Proportional to 10,086.21, 13,915.14 and 6,256.07

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Solution

The fourth proportional to 10,086.21, 13,915.14 and 6,256.07 is: 8,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.21 : 13,915.14 = 6,256.07 : x
  2. Step 2: Convert to fraction form
    10,086.21/13,915.14 = 6,256.07/x
  3. Step 3: Cross multiply
    10,086.21x = 13,915.14 × 6,256.07
  4. Step 4: Simplify right side
    10,086.21x = 87,054,089.90
  5. Step 5: Solve for x
    x = 87,054,089.90/10,086.21
  6. Step 6: Final answer
    x = 8,631.00

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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.