Home / 19,904.97-27,457.47-12,440.01

Finding the Fourth Proportional to 19,904.97, 27,457.47 and 12,440.01

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Solution

The fourth proportional to 19,904.97, 27,457.47 and 12,440.01 is: 17,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.97 : 27,457.47 = 12,440.01 : x
  2. Step 2: Convert to fraction form
    19,904.97/27,457.47 = 12,440.01/x
  3. Step 3: Cross multiply
    19,904.97x = 27,457.47 × 12,440.01
  4. Step 4: Simplify right side
    19,904.97x = 341,571,201.37
  5. Step 5: Solve for x
    x = 341,571,201.37/19,904.97
  6. Step 6: Final answer
    x = 17,160.10

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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.