Home / 9,449.10-14,172.74-2,428.90

Finding the Fourth Proportional to 9,449.10, 14,172.74 and 2,428.90

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Solution

The fourth proportional to 9,449.10, 14,172.74 and 2,428.90 is: 3,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449.10 : 14,172.74 = 2,428.90 : x
  2. Step 2: Convert to fraction form
    9,449.10/14,172.74 = 2,428.90/x
  3. Step 3: Cross multiply
    9,449.10x = 14,172.74 × 2,428.90
  4. Step 4: Simplify right side
    9,449.10x = 34,424,097.32
  5. Step 5: Solve for x
    x = 34,424,097.32/9,449.10
  6. Step 6: Final answer
    x = 3,643.11

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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.