Home / 12,670.19-17,483.36-7,004.18

Finding the Fourth Proportional to 12,670.19, 17,483.36 and 7,004.18

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Solution

The fourth proportional to 12,670.19, 17,483.36 and 7,004.18 is: 9,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.19 : 17,483.36 = 7,004.18 : x
  2. Step 2: Convert to fraction form
    12,670.19/17,483.36 = 7,004.18/x
  3. Step 3: Cross multiply
    12,670.19x = 17,483.36 × 7,004.18
  4. Step 4: Simplify right side
    12,670.19x = 122,456,478.01
  5. Step 5: Solve for x
    x = 122,456,478.01/12,670.19
  6. Step 6: Final answer
    x = 9,664.93

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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.