Home / 19,951.07-27,527.50-12,680.51

Finding the Fourth Proportional to 19,951.07, 27,527.50 and 12,680.51

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Solution

The fourth proportional to 19,951.07, 27,527.50 and 12,680.51 is: 17,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.07 : 27,527.50 = 12,680.51 : x
  2. Step 2: Convert to fraction form
    19,951.07/27,527.50 = 12,680.51/x
  3. Step 3: Cross multiply
    19,951.07x = 27,527.50 × 12,680.51
  4. Step 4: Simplify right side
    19,951.07x = 349,062,807.74
  5. Step 5: Solve for x
    x = 349,062,807.74/19,951.07
  6. Step 6: Final answer
    x = 17,495.94

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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.