Home / 13,971.69-19,283.67-8,007.36

Finding the Fourth Proportional to 13,971.69, 19,283.67 and 8,007.36

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Solution

The fourth proportional to 13,971.69, 19,283.67 and 8,007.36 is: 11,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.69 : 19,283.67 = 8,007.36 : x
  2. Step 2: Convert to fraction form
    13,971.69/19,283.67 = 8,007.36/x
  3. Step 3: Cross multiply
    13,971.69x = 19,283.67 × 8,007.36
  4. Step 4: Simplify right side
    13,971.69x = 154,411,215.50
  5. Step 5: Solve for x
    x = 154,411,215.50/13,971.69
  6. Step 6: Final answer
    x = 11,051.72

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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.