Home / 12,895.04-17,795.76-7,229.36

Finding the Fourth Proportional to 12,895.04, 17,795.76 and 7,229.36

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Solution

The fourth proportional to 12,895.04, 17,795.76 and 7,229.36 is: 9,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.04 : 17,795.76 = 7,229.36 : x
  2. Step 2: Convert to fraction form
    12,895.04/17,795.76 = 7,229.36/x
  3. Step 3: Cross multiply
    12,895.04x = 17,795.76 × 7,229.36
  4. Step 4: Simplify right side
    12,895.04x = 128,651,955.51
  5. Step 5: Solve for x
    x = 128,651,955.51/12,895.04
  6. Step 6: Final answer
    x = 9,976.86

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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.