Home / 14,450.81-21,678.03-4,590.68

Finding the Fourth Proportional to 14,450.81, 21,678.03 and 4,590.68

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Solution

The fourth proportional to 14,450.81, 21,678.03 and 4,590.68 is: 6,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,450.81 : 21,678.03 = 4,590.68 : x
  2. Step 2: Convert to fraction form
    14,450.81/21,678.03 = 4,590.68/x
  3. Step 3: Cross multiply
    14,450.81x = 21,678.03 × 4,590.68
  4. Step 4: Simplify right side
    14,450.81x = 99,516,790.37
  5. Step 5: Solve for x
    x = 99,516,790.37/14,450.81
  6. Step 6: Final answer
    x = 6,886.59

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1.5x scale

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.