Home / 13,016.84-19,525.08-3,156.20

Finding the Fourth Proportional to 13,016.84, 19,525.08 and 3,156.20

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Solution

The fourth proportional to 13,016.84, 19,525.08 and 3,156.20 is: 4,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.84 : 19,525.08 = 3,156.20 : x
  2. Step 2: Convert to fraction form
    13,016.84/19,525.08 = 3,156.20/x
  3. Step 3: Cross multiply
    13,016.84x = 19,525.08 × 3,156.20
  4. Step 4: Simplify right side
    13,016.84x = 61,625,106.31
  5. Step 5: Solve for x
    x = 61,625,106.31/13,016.84
  6. Step 6: Final answer
    x = 4,734.26

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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.