Home / 18,570.28-25,627.65-13,277.74

Finding the Fourth Proportional to 18,570.28, 25,627.65 and 13,277.74

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Solution

The fourth proportional to 18,570.28, 25,627.65 and 13,277.74 is: 18,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.28 : 25,627.65 = 13,277.74 : x
  2. Step 2: Convert to fraction form
    18,570.28/25,627.65 = 13,277.74/x
  3. Step 3: Cross multiply
    18,570.28x = 25,627.65 × 13,277.74
  4. Step 4: Simplify right side
    18,570.28x = 340,277,273.51
  5. Step 5: Solve for x
    x = 340,277,273.51/18,570.28
  6. Step 6: Final answer
    x = 18,323.76

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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.