Home / 18,528.86-25,569.58-10,571.21

Finding the Fourth Proportional to 18,528.86, 25,569.58 and 10,571.21

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Solution

The fourth proportional to 18,528.86, 25,569.58 and 10,571.21 is: 14,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.86 : 25,569.58 = 10,571.21 : x
  2. Step 2: Convert to fraction form
    18,528.86/25,569.58 = 10,571.21/x
  3. Step 3: Cross multiply
    18,528.86x = 25,569.58 × 10,571.21
  4. Step 4: Simplify right side
    18,528.86x = 270,301,346.94
  5. Step 5: Solve for x
    x = 270,301,346.94/18,528.86
  6. Step 6: Final answer
    x = 14,588.13

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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.