Home / 36,074.16-54,111.23-9,778.90

Finding the Fourth Proportional to 36,074.16, 54,111.23 and 9,778.90

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Solution

The fourth proportional to 36,074.16, 54,111.23 and 9,778.90 is: 14,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.16 : 54,111.23 = 9,778.90 : x
  2. Step 2: Convert to fraction form
    36,074.16/54,111.23 = 9,778.90/x
  3. Step 3: Cross multiply
    36,074.16x = 54,111.23 × 9,778.90
  4. Step 4: Simplify right side
    36,074.16x = 529,148,307.05
  5. Step 5: Solve for x
    x = 529,148,307.05/36,074.16
  6. Step 6: Final answer
    x = 14,668.35

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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.