Home / 15,497.32-21,386.82-9,216.04

Finding the Fourth Proportional to 15,497.32, 21,386.82 and 9,216.04

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Solution

The fourth proportional to 15,497.32, 21,386.82 and 9,216.04 is: 12,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497.32 : 21,386.82 = 9,216.04 : x
  2. Step 2: Convert to fraction form
    15,497.32/21,386.82 = 9,216.04/x
  3. Step 3: Cross multiply
    15,497.32x = 21,386.82 × 9,216.04
  4. Step 4: Simplify right side
    15,497.32x = 197,101,788.59
  5. Step 5: Solve for x
    x = 197,101,788.59/15,497.32
  6. Step 6: Final answer
    x = 12,718.44

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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.