Home / 9,139.06-13,699.68-4,696.66

Finding the Fourth Proportional to 9,139.06, 13,699.68 and 4,696.66

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Solution

The fourth proportional to 9,139.06, 13,699.68 and 4,696.66 is: 7,040.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.06 : 13,699.68 = 4,696.66 : x
  2. Step 2: Convert to fraction form
    9,139.06/13,699.68 = 4,696.66/x
  3. Step 3: Cross multiply
    9,139.06x = 13,699.68 × 4,696.66
  4. Step 4: Simplify right side
    9,139.06x = 64,342,739.07
  5. Step 5: Solve for x
    x = 64,342,739.07/9,139.06
  6. Step 6: Final answer
    x = 7,040.41

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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.