Home / 18,798.74-28,217.36-14,684.35

Finding the Fourth Proportional to 18,798.74, 28,217.36 and 14,684.35

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Solution

The fourth proportional to 18,798.74, 28,217.36 and 14,684.35 is: 22,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798.74 : 28,217.36 = 14,684.35 : x
  2. Step 2: Convert to fraction form
    18,798.74/28,217.36 = 14,684.35/x
  3. Step 3: Cross multiply
    18,798.74x = 28,217.36 × 14,684.35
  4. Step 4: Simplify right side
    18,798.74x = 414,353,590.32
  5. Step 5: Solve for x
    x = 414,353,590.32/18,798.74
  6. Step 6: Final answer
    x = 22,041.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.