Home / 16,670.36-23,004.78-9,218.36

Finding the Fourth Proportional to 16,670.36, 23,004.78 and 9,218.36

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Solution

The fourth proportional to 16,670.36, 23,004.78 and 9,218.36 is: 12,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.36 : 23,004.78 = 9,218.36 : x
  2. Step 2: Convert to fraction form
    16,670.36/23,004.78 = 9,218.36/x
  3. Step 3: Cross multiply
    16,670.36x = 23,004.78 × 9,218.36
  4. Step 4: Simplify right side
    16,670.36x = 212,066,343.76
  5. Step 5: Solve for x
    x = 212,066,343.76/16,670.36
  6. Step 6: Final answer
    x = 12,721.16

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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.