Home / 10,368.08-15,558.60-4,212.08

Finding the Fourth Proportional to 10,368.08, 15,558.60 and 4,212.08

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Solution

The fourth proportional to 10,368.08, 15,558.60 and 4,212.08 is: 6,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.08 : 15,558.60 = 4,212.08 : x
  2. Step 2: Convert to fraction form
    10,368.08/15,558.60 = 4,212.08/x
  3. Step 3: Cross multiply
    10,368.08x = 15,558.60 × 4,212.08
  4. Step 4: Simplify right side
    10,368.08x = 65,534,067.89
  5. Step 5: Solve for x
    x = 65,534,067.89/10,368.08
  6. Step 6: Final answer
    x = 6,320.75

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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.