Home / 17,378.79-26,048.01-7,999.11

Finding the Fourth Proportional to 17,378.79, 26,048.01 and 7,999.11

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Solution

The fourth proportional to 17,378.79, 26,048.01 and 7,999.11 is: 11,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.79 : 26,048.01 = 7,999.11 : x
  2. Step 2: Convert to fraction form
    17,378.79/26,048.01 = 7,999.11/x
  3. Step 3: Cross multiply
    17,378.79x = 26,048.01 × 7,999.11
  4. Step 4: Simplify right side
    17,378.79x = 208,360,897.27
  5. Step 5: Solve for x
    x = 208,360,897.27/17,378.79
  6. Step 6: Final answer
    x = 11,989.38

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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.