Home / 14,001.77-19,321.87-7,628.23

Finding the Fourth Proportional to 14,001.77, 19,321.87 and 7,628.23

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Solution

The fourth proportional to 14,001.77, 19,321.87 and 7,628.23 is: 10,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.77 : 19,321.87 = 7,628.23 : x
  2. Step 2: Convert to fraction form
    14,001.77/19,321.87 = 7,628.23/x
  3. Step 3: Cross multiply
    14,001.77x = 19,321.87 × 7,628.23
  4. Step 4: Simplify right side
    14,001.77x = 147,391,668.39
  5. Step 5: Solve for x
    x = 147,391,668.39/14,001.77
  6. Step 6: Final answer
    x = 10,526.65

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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.