Home / 15,604.49-21,534.54-8,530.92

Finding the Fourth Proportional to 15,604.49, 21,534.54 and 8,530.92

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Solution

The fourth proportional to 15,604.49, 21,534.54 and 8,530.92 is: 11,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.49 : 21,534.54 = 8,530.92 : x
  2. Step 2: Convert to fraction form
    15,604.49/21,534.54 = 8,530.92/x
  3. Step 3: Cross multiply
    15,604.49x = 21,534.54 × 8,530.92
  4. Step 4: Simplify right side
    15,604.49x = 183,709,437.98
  5. Step 5: Solve for x
    x = 183,709,437.98/15,604.49
  6. Step 6: Final answer
    x = 11,772.86

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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.