Home / 15,244.74-21,036.58-8,529.12

Finding the Fourth Proportional to 15,244.74, 21,036.58 and 8,529.12

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Solution

The fourth proportional to 15,244.74, 21,036.58 and 8,529.12 is: 11,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.74 : 21,036.58 = 8,529.12 : x
  2. Step 2: Convert to fraction form
    15,244.74/21,036.58 = 8,529.12/x
  3. Step 3: Cross multiply
    15,244.74x = 21,036.58 × 8,529.12
  4. Step 4: Simplify right side
    15,244.74x = 179,423,493.89
  5. Step 5: Solve for x
    x = 179,423,493.89/15,244.74
  6. Step 6: Final answer
    x = 11,769.53

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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.