Home / 19,572.41-27,009.74-10,958.63

Finding the Fourth Proportional to 19,572.41, 27,009.74 and 10,958.63

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Solution

The fourth proportional to 19,572.41, 27,009.74 and 10,958.63 is: 15,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.41 : 27,009.74 = 10,958.63 : x
  2. Step 2: Convert to fraction form
    19,572.41/27,009.74 = 10,958.63/x
  3. Step 3: Cross multiply
    19,572.41x = 27,009.74 × 10,958.63
  4. Step 4: Simplify right side
    19,572.41x = 295,989,639.40
  5. Step 5: Solve for x
    x = 295,989,639.40/19,572.41
  6. Step 6: Final answer
    x = 15,122.80

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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.