Home / 15,409.46-23,115.48-4,316.14

Finding the Fourth Proportional to 15,409.46, 23,115.48 and 4,316.14

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Solution

The fourth proportional to 15,409.46, 23,115.48 and 4,316.14 is: 6,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409.46 : 23,115.48 = 4,316.14 : x
  2. Step 2: Convert to fraction form
    15,409.46/23,115.48 = 4,316.14/x
  3. Step 3: Cross multiply
    15,409.46x = 23,115.48 × 4,316.14
  4. Step 4: Simplify right side
    15,409.46x = 99,769,530.53
  5. Step 5: Solve for x
    x = 99,769,530.53/15,409.46
  6. Step 6: Final answer
    x = 6,474.57

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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.