Home / 10,406.48-14,361.90-6,214.64

Finding the Fourth Proportional to 10,406.48, 14,361.90 and 6,214.64

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Solution

The fourth proportional to 10,406.48, 14,361.90 and 6,214.64 is: 8,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.48 : 14,361.90 = 6,214.64 : x
  2. Step 2: Convert to fraction form
    10,406.48/14,361.90 = 6,214.64/x
  3. Step 3: Cross multiply
    10,406.48x = 14,361.90 × 6,214.64
  4. Step 4: Simplify right side
    10,406.48x = 89,254,038.22
  5. Step 5: Solve for x
    x = 89,254,038.22/10,406.48
  6. Step 6: Final answer
    x = 8,576.78

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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.