Home / 12,623.57-17,418.47-7,317.35

Finding the Fourth Proportional to 12,623.57, 17,418.47 and 7,317.35

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Solution

The fourth proportional to 12,623.57, 17,418.47 and 7,317.35 is: 10,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.57 : 17,418.47 = 7,317.35 : x
  2. Step 2: Convert to fraction form
    12,623.57/17,418.47 = 7,317.35/x
  3. Step 3: Cross multiply
    12,623.57x = 17,418.47 × 7,317.35
  4. Step 4: Simplify right side
    12,623.57x = 127,457,041.45
  5. Step 5: Solve for x
    x = 127,457,041.45/12,623.57
  6. Step 6: Final answer
    x = 10,096.75

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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.