Home / 12,329.36-17,010.16-7,022.76

Finding the Fourth Proportional to 12,329.36, 17,010.16 and 7,022.76

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Solution

The fourth proportional to 12,329.36, 17,010.16 and 7,022.76 is: 9,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.36 : 17,010.16 = 7,022.76 : x
  2. Step 2: Convert to fraction form
    12,329.36/17,010.16 = 7,022.76/x
  3. Step 3: Cross multiply
    12,329.36x = 17,010.16 × 7,022.76
  4. Step 4: Simplify right side
    12,329.36x = 119,458,271.24
  5. Step 5: Solve for x
    x = 119,458,271.24/12,329.36
  6. Step 6: Final answer
    x = 9,688.93

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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.