Home / 10,055.84-15,081.28-4,212.48

Finding the Fourth Proportional to 10,055.84, 15,081.28 and 4,212.48

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Solution

The fourth proportional to 10,055.84, 15,081.28 and 4,212.48 is: 6,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.84 : 15,081.28 = 4,212.48 : x
  2. Step 2: Convert to fraction form
    10,055.84/15,081.28 = 4,212.48/x
  3. Step 3: Cross multiply
    10,055.84x = 15,081.28 × 4,212.48
  4. Step 4: Simplify right side
    10,055.84x = 63,529,590.37
  5. Step 5: Solve for x
    x = 63,529,590.37/10,055.84
  6. Step 6: Final answer
    x = 6,317.68

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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.