Home / 19,571.50-27,008.75-10,619.07

Finding the Fourth Proportional to 19,571.50, 27,008.75 and 10,619.07

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Solution

The fourth proportional to 19,571.50, 27,008.75 and 10,619.07 is: 14,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.50 : 27,008.75 = 10,619.07 : x
  2. Step 2: Convert to fraction form
    19,571.50/27,008.75 = 10,619.07/x
  3. Step 3: Cross multiply
    19,571.50x = 27,008.75 × 10,619.07
  4. Step 4: Simplify right side
    19,571.50x = 286,807,806.86
  5. Step 5: Solve for x
    x = 286,807,806.86/19,571.50
  6. Step 6: Final answer
    x = 14,654.36

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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.