Home / 15,506.52-21,398.94-8,433.24

Finding the Fourth Proportional to 15,506.52, 21,398.94 and 8,433.24

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Solution

The fourth proportional to 15,506.52, 21,398.94 and 8,433.24 is: 11,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506.52 : 21,398.94 = 8,433.24 : x
  2. Step 2: Convert to fraction form
    15,506.52/21,398.94 = 8,433.24/x
  3. Step 3: Cross multiply
    15,506.52x = 21,398.94 × 8,433.24
  4. Step 4: Simplify right side
    15,506.52x = 180,462,396.77
  5. Step 5: Solve for x
    x = 180,462,396.77/15,506.52
  6. Step 6: Final answer
    x = 11,637.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.