Home / 9,563.20-14,344.80-2,991.40

Finding the Fourth Proportional to 9,563.20, 14,344.80 and 2,991.40

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Solution

The fourth proportional to 9,563.20, 14,344.80 and 2,991.40 is: 4,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,563.20 : 14,344.80 = 2,991.40 : x
  2. Step 2: Convert to fraction form
    9,563.20/14,344.80 = 2,991.40/x
  3. Step 3: Cross multiply
    9,563.20x = 14,344.80 × 2,991.40
  4. Step 4: Simplify right side
    9,563.20x = 42,911,034.72
  5. Step 5: Solve for x
    x = 42,911,034.72/9,563.20
  6. Step 6: Final answer
    x = 4,487.10

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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.