Home / 15,836.14-21,852.39-8,762.32

Finding the Fourth Proportional to 15,836.14, 21,852.39 and 8,762.32

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Solution

The fourth proportional to 15,836.14, 21,852.39 and 8,762.32 is: 12,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.14 : 21,852.39 = 8,762.32 : x
  2. Step 2: Convert to fraction form
    15,836.14/21,852.39 = 8,762.32/x
  3. Step 3: Cross multiply
    15,836.14x = 21,852.39 × 8,762.32
  4. Step 4: Simplify right side
    15,836.14x = 191,477,633.94
  5. Step 5: Solve for x
    x = 191,477,633.94/15,836.14
  6. Step 6: Final answer
    x = 12,091.18

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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.