Home / 15,604.64-21,533.28-8,529.56

Finding the Fourth Proportional to 15,604.64, 21,533.28 and 8,529.56

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Solution

The fourth proportional to 15,604.64, 21,533.28 and 8,529.56 is: 11,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.64 : 21,533.28 = 8,529.56 : x
  2. Step 2: Convert to fraction form
    15,604.64/21,533.28 = 8,529.56/x
  3. Step 3: Cross multiply
    15,604.64x = 21,533.28 × 8,529.56
  4. Step 4: Simplify right side
    15,604.64x = 183,669,403.76
  5. Step 5: Solve for x
    x = 183,669,403.76/15,604.64
  6. Step 6: Final answer
    x = 11,770.18

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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.