Home / 15,366.29-21,205.88-8,652.16

Finding the Fourth Proportional to 15,366.29, 21,205.88 and 8,652.16

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Solution

The fourth proportional to 15,366.29, 21,205.88 and 8,652.16 is: 11,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.29 : 21,205.88 = 8,652.16 : x
  2. Step 2: Convert to fraction form
    15,366.29/21,205.88 = 8,652.16/x
  3. Step 3: Cross multiply
    15,366.29x = 21,205.88 × 8,652.16
  4. Step 4: Simplify right side
    15,366.29x = 183,476,666.70
  5. Step 5: Solve for x
    x = 183,476,666.70/15,366.29
  6. Step 6: Final answer
    x = 11,940.21

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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.