Home / 13,047.84-19,571.74-6,478.63

Finding the Fourth Proportional to 13,047.84, 19,571.74 and 6,478.63

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Solution

The fourth proportional to 13,047.84, 19,571.74 and 6,478.63 is: 9,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.84 : 19,571.74 = 6,478.63 : x
  2. Step 2: Convert to fraction form
    13,047.84/19,571.74 = 6,478.63/x
  3. Step 3: Cross multiply
    13,047.84x = 19,571.74 × 6,478.63
  4. Step 4: Simplify right side
    13,047.84x = 126,797,996.79
  5. Step 5: Solve for x
    x = 126,797,996.79/13,047.84
  6. Step 6: Final answer
    x = 9,717.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.