Home / 13,277.19-19,915.96-3,416.21

Finding the Fourth Proportional to 13,277.19, 19,915.96 and 3,416.21

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Solution

The fourth proportional to 13,277.19, 19,915.96 and 3,416.21 is: 5,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.19 : 19,915.96 = 3,416.21 : x
  2. Step 2: Convert to fraction form
    13,277.19/19,915.96 = 3,416.21/x
  3. Step 3: Cross multiply
    13,277.19x = 19,915.96 × 3,416.21
  4. Step 4: Simplify right side
    13,277.19x = 68,037,101.71
  5. Step 5: Solve for x
    x = 68,037,101.71/13,277.19
  6. Step 6: Final answer
    x = 5,124.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.