Home / 15,684.96-21,633.84-10,384.32

Finding the Fourth Proportional to 15,684.96, 21,633.84 and 10,384.32

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Solution

The fourth proportional to 15,684.96, 21,633.84 and 10,384.32 is: 14,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684.96 : 21,633.84 = 10,384.32 : x
  2. Step 2: Convert to fraction form
    15,684.96/21,633.84 = 10,384.32/x
  3. Step 3: Cross multiply
    15,684.96x = 21,633.84 × 10,384.32
  4. Step 4: Simplify right side
    15,684.96x = 224,652,717.39
  5. Step 5: Solve for x
    x = 224,652,717.39/15,684.96
  6. Step 6: Final answer
    x = 14,322.81

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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.