Home / 9,420.93-14,133.87-2,847.30

Finding the Fourth Proportional to 9,420.93, 14,133.87 and 2,847.30

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Solution

The fourth proportional to 9,420.93, 14,133.87 and 2,847.30 is: 4,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.93 : 14,133.87 = 2,847.30 : x
  2. Step 2: Convert to fraction form
    9,420.93/14,133.87 = 2,847.30/x
  3. Step 3: Cross multiply
    9,420.93x = 14,133.87 × 2,847.30
  4. Step 4: Simplify right side
    9,420.93x = 40,243,368.05
  5. Step 5: Solve for x
    x = 40,243,368.05/9,420.93
  6. Step 6: Final answer
    x = 4,271.70

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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.