Home / 19,574.12-27,034.73-12,889.64

Finding the Fourth Proportional to 19,574.12, 27,034.73 and 12,889.64

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Solution

The fourth proportional to 19,574.12, 27,034.73 and 12,889.64 is: 17,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.12 : 27,034.73 = 12,889.64 : x
  2. Step 2: Convert to fraction form
    19,574.12/27,034.73 = 12,889.64/x
  3. Step 3: Cross multiply
    19,574.12x = 27,034.73 × 12,889.64
  4. Step 4: Simplify right side
    19,574.12x = 348,467,737.58
  5. Step 5: Solve for x
    x = 348,467,737.58/19,574.12
  6. Step 6: Final answer
    x = 17,802.48

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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.