Home / 14,678.48-22,000.64-7,287.63

Finding the Fourth Proportional to 14,678.48, 22,000.64 and 7,287.63

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Solution

The fourth proportional to 14,678.48, 22,000.64 and 7,287.63 is: 10,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.48 : 22,000.64 = 7,287.63 : x
  2. Step 2: Convert to fraction form
    14,678.48/22,000.64 = 7,287.63/x
  3. Step 3: Cross multiply
    14,678.48x = 22,000.64 × 7,287.63
  4. Step 4: Simplify right side
    14,678.48x = 160,332,487.65
  5. Step 5: Solve for x
    x = 160,332,487.65/14,678.48
  6. Step 6: Final answer
    x = 10,922.97

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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.