Home / 12,908.48-19,369.74-5,011.29

Finding the Fourth Proportional to 12,908.48, 19,369.74 and 5,011.29

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Solution

The fourth proportional to 12,908.48, 19,369.74 and 5,011.29 is: 7,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.48 : 19,369.74 = 5,011.29 : x
  2. Step 2: Convert to fraction form
    12,908.48/19,369.74 = 5,011.29/x
  3. Step 3: Cross multiply
    12,908.48x = 19,369.74 × 5,011.29
  4. Step 4: Simplify right side
    12,908.48x = 97,067,384.36
  5. Step 5: Solve for x
    x = 97,067,384.36/12,908.48
  6. Step 6: Final answer
    x = 7,519.66

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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.