Home / 18,528.13-25,570.95-10,571.50

Finding the Fourth Proportional to 18,528.13, 25,570.95 and 10,571.50

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Solution

The fourth proportional to 18,528.13, 25,570.95 and 10,571.50 is: 14,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.13 : 25,570.95 = 10,571.50 : x
  2. Step 2: Convert to fraction form
    18,528.13/25,570.95 = 10,571.50/x
  3. Step 3: Cross multiply
    18,528.13x = 25,570.95 × 10,571.50
  4. Step 4: Simplify right side
    18,528.13x = 270,323,297.93
  5. Step 5: Solve for x
    x = 270,323,297.93/18,528.13
  6. Step 6: Final answer
    x = 14,589.89

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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.