Home / 9,389.80-14,074.86-3,148.28

Finding the Fourth Proportional to 9,389.80, 14,074.86 and 3,148.28

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Solution

The fourth proportional to 9,389.80, 14,074.86 and 3,148.28 is: 4,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.80 : 14,074.86 = 3,148.28 : x
  2. Step 2: Convert to fraction form
    9,389.80/14,074.86 = 3,148.28/x
  3. Step 3: Cross multiply
    9,389.80x = 14,074.86 × 3,148.28
  4. Step 4: Simplify right side
    9,389.80x = 44,311,600.24
  5. Step 5: Solve for x
    x = 44,311,600.24/9,389.80
  6. Step 6: Final answer
    x = 4,719.12

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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.