Home / 14,508.18-20,020.05-9,798.84

Finding the Fourth Proportional to 14,508.18, 20,020.05 and 9,798.84

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Solution

The fourth proportional to 14,508.18, 20,020.05 and 9,798.84 is: 13,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.18 : 20,020.05 = 9,798.84 : x
  2. Step 2: Convert to fraction form
    14,508.18/20,020.05 = 9,798.84/x
  3. Step 3: Cross multiply
    14,508.18x = 20,020.05 × 9,798.84
  4. Step 4: Simplify right side
    14,508.18x = 196,173,266.74
  5. Step 5: Solve for x
    x = 196,173,266.74/14,508.18
  6. Step 6: Final answer
    x = 13,521.56

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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.