Home / 18,535.86-25,587.63-11,830.23

Finding the Fourth Proportional to 18,535.86, 25,587.63 and 11,830.23

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Solution

The fourth proportional to 18,535.86, 25,587.63 and 11,830.23 is: 16,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.86 : 25,587.63 = 11,830.23 : x
  2. Step 2: Convert to fraction form
    18,535.86/25,587.63 = 11,830.23/x
  3. Step 3: Cross multiply
    18,535.86x = 25,587.63 × 11,830.23
  4. Step 4: Simplify right side
    18,535.86x = 302,707,548.05
  5. Step 5: Solve for x
    x = 302,707,548.05/18,535.86
  6. Step 6: Final answer
    x = 16,330.91

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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.