Home / 11,181.64-15,430.50-6,466.36

Finding the Fourth Proportional to 11,181.64, 15,430.50 and 6,466.36

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Solution

The fourth proportional to 11,181.64, 15,430.50 and 6,466.36 is: 8,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.64 : 15,430.50 = 6,466.36 : x
  2. Step 2: Convert to fraction form
    11,181.64/15,430.50 = 6,466.36/x
  3. Step 3: Cross multiply
    11,181.64x = 15,430.50 × 6,466.36
  4. Step 4: Simplify right side
    11,181.64x = 99,779,167.98
  5. Step 5: Solve for x
    x = 99,779,167.98/11,181.64
  6. Step 6: Final answer
    x = 8,923.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.