Home / 12,973.80-17,904.34-7,310.80

Finding the Fourth Proportional to 12,973.80, 17,904.34 and 7,310.80

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Solution

The fourth proportional to 12,973.80, 17,904.34 and 7,310.80 is: 10,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.80 : 17,904.34 = 7,310.80 : x
  2. Step 2: Convert to fraction form
    12,973.80/17,904.34 = 7,310.80/x
  3. Step 3: Cross multiply
    12,973.80x = 17,904.34 × 7,310.80
  4. Step 4: Simplify right side
    12,973.80x = 130,895,048.87
  5. Step 5: Solve for x
    x = 130,895,048.87/12,973.80
  6. Step 6: Final answer
    x = 10,089.18

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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.