Home / 10,272.84-15,405.21-3,607.35

Finding the Fourth Proportional to 10,272.84, 15,405.21 and 3,607.35

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Solution

The fourth proportional to 10,272.84, 15,405.21 and 3,607.35 is: 5,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.84 : 15,405.21 = 3,607.35 : x
  2. Step 2: Convert to fraction form
    10,272.84/15,405.21 = 3,607.35/x
  3. Step 3: Cross multiply
    10,272.84x = 15,405.21 × 3,607.35
  4. Step 4: Simplify right side
    10,272.84x = 55,571,984.29
  5. Step 5: Solve for x
    x = 55,571,984.29/10,272.84
  6. Step 6: Final answer
    x = 5,409.60

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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.