Home / 9,017.28-13,527-3,172.68

Finding the Fourth Proportional to 9,017.28, 13,527 and 3,172.68

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Solution

The fourth proportional to 9,017.28, 13,527 and 3,172.68 is: 4,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.28 : 13,527 = 3,172.68 : x
  2. Step 2: Convert to fraction form
    9,017.28/13,527 = 3,172.68/x
  3. Step 3: Cross multiply
    9,017.28x = 13,527 × 3,172.68
  4. Step 4: Simplify right side
    9,017.28x = 42,916,842.36
  5. Step 5: Solve for x
    x = 42,916,842.36/9,017.28
  6. Step 6: Final answer
    x = 4,759.40

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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.