Home / 15,646.26-21,591.82-9,360.12

Finding the Fourth Proportional to 15,646.26, 21,591.82 and 9,360.12

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Solution

The fourth proportional to 15,646.26, 21,591.82 and 9,360.12 is: 12,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.26 : 21,591.82 = 9,360.12 : x
  2. Step 2: Convert to fraction form
    15,646.26/21,591.82 = 9,360.12/x
  3. Step 3: Cross multiply
    15,646.26x = 21,591.82 × 9,360.12
  4. Step 4: Simplify right side
    15,646.26x = 202,102,026.22
  5. Step 5: Solve for x
    x = 202,102,026.22/15,646.26
  6. Step 6: Final answer
    x = 12,916.95

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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.