Home / 20,559.08-30,828.90-9,462.48

Finding the Fourth Proportional to 20,559.08, 30,828.90 and 9,462.48

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Solution

The fourth proportional to 20,559.08, 30,828.90 and 9,462.48 is: 14,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.08 : 30,828.90 = 9,462.48 : x
  2. Step 2: Convert to fraction form
    20,559.08/30,828.90 = 9,462.48/x
  3. Step 3: Cross multiply
    20,559.08x = 30,828.90 × 9,462.48
  4. Step 4: Simplify right side
    20,559.08x = 291,717,929.80
  5. Step 5: Solve for x
    x = 291,717,929.80/20,559.08
  6. Step 6: Final answer
    x = 14,189.25

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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.