Home / 10,212.48-15,318.72-4,056.48

Finding the Fourth Proportional to 10,212.48, 15,318.72 and 4,056.48

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Solution

The fourth proportional to 10,212.48, 15,318.72 and 4,056.48 is: 6,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.48 : 15,318.72 = 4,056.48 : x
  2. Step 2: Convert to fraction form
    10,212.48/15,318.72 = 4,056.48/x
  3. Step 3: Cross multiply
    10,212.48x = 15,318.72 × 4,056.48
  4. Step 4: Simplify right side
    10,212.48x = 62,140,081.31
  5. Step 5: Solve for x
    x = 62,140,081.31/10,212.48
  6. Step 6: Final answer
    x = 6,084.72

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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.