Home / 17,014.20-25,521.30-13,126.20

Finding the Fourth Proportional to 17,014.20, 25,521.30 and 13,126.20

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Solution

The fourth proportional to 17,014.20, 25,521.30 and 13,126.20 is: 19,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,014.20 : 25,521.30 = 13,126.20 : x
  2. Step 2: Convert to fraction form
    17,014.20/25,521.30 = 13,126.20/x
  3. Step 3: Cross multiply
    17,014.20x = 25,521.30 × 13,126.20
  4. Step 4: Simplify right side
    17,014.20x = 334,997,688.06
  5. Step 5: Solve for x
    x = 334,997,688.06/17,014.20
  6. Step 6: Final answer
    x = 19,689.30

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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.