Home / 15,246.84-21,037.62-8,531.17

Finding the Fourth Proportional to 15,246.84, 21,037.62 and 8,531.17

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Solution

The fourth proportional to 15,246.84, 21,037.62 and 8,531.17 is: 11,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246.84 : 21,037.62 = 8,531.17 : x
  2. Step 2: Convert to fraction form
    15,246.84/21,037.62 = 8,531.17/x
  3. Step 3: Cross multiply
    15,246.84x = 21,037.62 × 8,531.17
  4. Step 4: Simplify right side
    15,246.84x = 179,475,492.01
  5. Step 5: Solve for x
    x = 179,475,492.01/15,246.84
  6. Step 6: Final answer
    x = 11,771.32

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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.