Home / 12,825.07-17,698.52-7,159.49

Finding the Fourth Proportional to 12,825.07, 17,698.52 and 7,159.49

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Solution

The fourth proportional to 12,825.07, 17,698.52 and 7,159.49 is: 9,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.07 : 17,698.52 = 7,159.49 : x
  2. Step 2: Convert to fraction form
    12,825.07/17,698.52 = 7,159.49/x
  3. Step 3: Cross multiply
    12,825.07x = 17,698.52 × 7,159.49
  4. Step 4: Simplify right side
    12,825.07x = 126,712,376.95
  5. Step 5: Solve for x
    x = 126,712,376.95/12,825.07
  6. Step 6: Final answer
    x = 9,880.05

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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.