Home / 12,913.04-19,376.94-10,748

Finding the Fourth Proportional to 12,913.04, 19,376.94 and 10,748

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Solution

The fourth proportional to 12,913.04, 19,376.94 and 10,748 is: 16,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913.04 : 19,376.94 = 10,748 : x
  2. Step 2: Convert to fraction form
    12,913.04/19,376.94 = 10,748/x
  3. Step 3: Cross multiply
    12,913.04x = 19,376.94 × 10,748
  4. Step 4: Simplify right side
    12,913.04x = 208,263,351.12
  5. Step 5: Solve for x
    x = 208,263,351.12/12,913.04
  6. Step 6: Final answer
    x = 16,128.14

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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.