Home / 9,478.63-14,219.57-5,316.85

Finding the Fourth Proportional to 9,478.63, 14,219.57 and 5,316.85

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Solution

The fourth proportional to 9,478.63, 14,219.57 and 5,316.85 is: 7,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.63 : 14,219.57 = 5,316.85 : x
  2. Step 2: Convert to fraction form
    9,478.63/14,219.57 = 5,316.85/x
  3. Step 3: Cross multiply
    9,478.63x = 14,219.57 × 5,316.85
  4. Step 4: Simplify right side
    9,478.63x = 75,603,320.75
  5. Step 5: Solve for x
    x = 75,603,320.75/9,478.63
  6. Step 6: Final answer
    x = 7,976.19

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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.