Home / 12,383.04-17,079.85-7,343.22

Finding the Fourth Proportional to 12,383.04, 17,079.85 and 7,343.22

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Solution

The fourth proportional to 12,383.04, 17,079.85 and 7,343.22 is: 10,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383.04 : 17,079.85 = 7,343.22 : x
  2. Step 2: Convert to fraction form
    12,383.04/17,079.85 = 7,343.22/x
  3. Step 3: Cross multiply
    12,383.04x = 17,079.85 × 7,343.22
  4. Step 4: Simplify right side
    12,383.04x = 125,421,059.40
  5. Step 5: Solve for x
    x = 125,421,059.40/12,383.04
  6. Step 6: Final answer
    x = 10,128.45

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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.