Home / 12,509.04-17,262.72-7,202.96

Finding the Fourth Proportional to 12,509.04, 17,262.72 and 7,202.96

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Solution

The fourth proportional to 12,509.04, 17,262.72 and 7,202.96 is: 9,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.04 : 17,262.72 = 7,202.96 : x
  2. Step 2: Convert to fraction form
    12,509.04/17,262.72 = 7,202.96/x
  3. Step 3: Cross multiply
    12,509.04x = 17,262.72 × 7,202.96
  4. Step 4: Simplify right side
    12,509.04x = 124,342,681.65
  5. Step 5: Solve for x
    x = 124,342,681.65/12,509.04
  6. Step 6: Final answer
    x = 9,940.23

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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.