Home / 13,007.01-19,508.49-4,239.99

Finding the Fourth Proportional to 13,007.01, 19,508.49 and 4,239.99

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Solution

The fourth proportional to 13,007.01, 19,508.49 and 4,239.99 is: 6,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.01 : 19,508.49 = 4,239.99 : x
  2. Step 2: Convert to fraction form
    13,007.01/19,508.49 = 4,239.99/x
  3. Step 3: Cross multiply
    13,007.01x = 19,508.49 × 4,239.99
  4. Step 4: Simplify right side
    13,007.01x = 82,715,802.52
  5. Step 5: Solve for x
    x = 82,715,802.52/13,007.01
  6. Step 6: Final answer
    x = 6,359.32

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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.