Home / 15,698.23-21,663.54-8,624.66

Finding the Fourth Proportional to 15,698.23, 21,663.54 and 8,624.66

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Solution

The fourth proportional to 15,698.23, 21,663.54 and 8,624.66 is: 11,902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.23 : 21,663.54 = 8,624.66 : x
  2. Step 2: Convert to fraction form
    15,698.23/21,663.54 = 8,624.66/x
  3. Step 3: Cross multiply
    15,698.23x = 21,663.54 × 8,624.66
  4. Step 4: Simplify right side
    15,698.23x = 186,840,558.58
  5. Step 5: Solve for x
    x = 186,840,558.58/15,698.23
  6. Step 6: Final answer
    x = 11,902.02

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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.