Home / 12,695.04-17,519.34-7,314.51

Finding the Fourth Proportional to 12,695.04, 17,519.34 and 7,314.51

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Solution

The fourth proportional to 12,695.04, 17,519.34 and 7,314.51 is: 10,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.04 : 17,519.34 = 7,314.51 : x
  2. Step 2: Convert to fraction form
    12,695.04/17,519.34 = 7,314.51/x
  3. Step 3: Cross multiply
    12,695.04x = 17,519.34 × 7,314.51
  4. Step 4: Simplify right side
    12,695.04x = 128,145,387.62
  5. Step 5: Solve for x
    x = 128,145,387.62/12,695.04
  6. Step 6: Final answer
    x = 10,094.13

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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.