Home / 10,318.32-15,477.48-4,158

Finding the Fourth Proportional to 10,318.32, 15,477.48 and 4,158

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Solution

The fourth proportional to 10,318.32, 15,477.48 and 4,158 is: 6,237

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.32 : 15,477.48 = 4,158 : x
  2. Step 2: Convert to fraction form
    10,318.32/15,477.48 = 4,158/x
  3. Step 3: Cross multiply
    10,318.32x = 15,477.48 × 4,158
  4. Step 4: Simplify right side
    10,318.32x = 64,355,361.84
  5. Step 5: Solve for x
    x = 64,355,361.84/10,318.32
  6. Step 6: Final answer
    x = 6,237

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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.