Home / 15,382.84-21,228.66-9,095.32

Finding the Fourth Proportional to 15,382.84, 21,228.66 and 9,095.32

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Solution

The fourth proportional to 15,382.84, 21,228.66 and 9,095.32 is: 12,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.84 : 21,228.66 = 9,095.32 : x
  2. Step 2: Convert to fraction form
    15,382.84/21,228.66 = 9,095.32/x
  3. Step 3: Cross multiply
    15,382.84x = 21,228.66 × 9,095.32
  4. Step 4: Simplify right side
    15,382.84x = 193,081,455.87
  5. Step 5: Solve for x
    x = 193,081,455.87/15,382.84
  6. Step 6: Final answer
    x = 12,551.74

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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.