Home / 19,889.37-27,440.51-12,332.99

Finding the Fourth Proportional to 19,889.37, 27,440.51 and 12,332.99

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Solution

The fourth proportional to 19,889.37, 27,440.51 and 12,332.99 is: 17,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.37 : 27,440.51 = 12,332.99 : x
  2. Step 2: Convert to fraction form
    19,889.37/27,440.51 = 12,332.99/x
  3. Step 3: Cross multiply
    19,889.37x = 27,440.51 × 12,332.99
  4. Step 4: Simplify right side
    19,889.37x = 338,423,382.81
  5. Step 5: Solve for x
    x = 338,423,382.81/19,889.37
  6. Step 6: Final answer
    x = 17,015.29

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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.