Home / 15,244.58-21,038.34-8,529.81

Finding the Fourth Proportional to 15,244.58, 21,038.34 and 8,529.81

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Solution

The fourth proportional to 15,244.58, 21,038.34 and 8,529.81 is: 11,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.58 : 21,038.34 = 8,529.81 : x
  2. Step 2: Convert to fraction form
    15,244.58/21,038.34 = 8,529.81/x
  3. Step 3: Cross multiply
    15,244.58x = 21,038.34 × 8,529.81
  4. Step 4: Simplify right side
    15,244.58x = 179,453,042.92
  5. Step 5: Solve for x
    x = 179,453,042.92/15,244.58
  6. Step 6: Final answer
    x = 11,771.60

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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.