Home / 13,306.98-19,962.81-5,521.26

Finding the Fourth Proportional to 13,306.98, 19,962.81 and 5,521.26

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Solution

The fourth proportional to 13,306.98, 19,962.81 and 5,521.26 is: 8,282.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.98 : 19,962.81 = 5,521.26 : x
  2. Step 2: Convert to fraction form
    13,306.98/19,962.81 = 5,521.26/x
  3. Step 3: Cross multiply
    13,306.98x = 19,962.81 × 5,521.26
  4. Step 4: Simplify right side
    13,306.98x = 110,219,864.34
  5. Step 5: Solve for x
    x = 110,219,864.34/13,306.98
  6. Step 6: Final answer
    x = 8,282.86

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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.