Home / 13,014.12-19,521.18-3,153.36

Finding the Fourth Proportional to 13,014.12, 19,521.18 and 3,153.36

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Solution

The fourth proportional to 13,014.12, 19,521.18 and 3,153.36 is: 4,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.12 : 19,521.18 = 3,153.36 : x
  2. Step 2: Convert to fraction form
    13,014.12/19,521.18 = 3,153.36/x
  3. Step 3: Cross multiply
    13,014.12x = 19,521.18 × 3,153.36
  4. Step 4: Simplify right side
    13,014.12x = 61,557,308.16
  5. Step 5: Solve for x
    x = 61,557,308.16/13,014.12
  6. Step 6: Final answer
    x = 4,730.04

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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.