Home / 14,036.81-21,054.44-8,488.67

Finding the Fourth Proportional to 14,036.81, 21,054.44 and 8,488.67

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Solution

The fourth proportional to 14,036.81, 21,054.44 and 8,488.67 is: 12,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.81 : 21,054.44 = 8,488.67 : x
  2. Step 2: Convert to fraction form
    14,036.81/21,054.44 = 8,488.67/x
  3. Step 3: Cross multiply
    14,036.81x = 21,054.44 × 8,488.67
  4. Step 4: Simplify right side
    14,036.81x = 178,724,109.14
  5. Step 5: Solve for x
    x = 178,724,109.14/14,036.81
  6. Step 6: Final answer
    x = 12,732.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.