Home / 9,776.34-14,610.81-7,149.36

Finding the Fourth Proportional to 9,776.34, 14,610.81 and 7,149.36

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Solution

The fourth proportional to 9,776.34, 14,610.81 and 7,149.36 is: 10,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.34 : 14,610.81 = 7,149.36 : x
  2. Step 2: Convert to fraction form
    9,776.34/14,610.81 = 7,149.36/x
  3. Step 3: Cross multiply
    9,776.34x = 14,610.81 × 7,149.36
  4. Step 4: Simplify right side
    9,776.34x = 104,457,940.58
  5. Step 5: Solve for x
    x = 104,457,940.58/9,776.34
  6. Step 6: Final answer
    x = 10,684.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.