Home / 11,289.81-15,579.73-6,254.01

Finding the Fourth Proportional to 11,289.81, 15,579.73 and 6,254.01

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Solution

The fourth proportional to 11,289.81, 15,579.73 and 6,254.01 is: 8,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.81 : 15,579.73 = 6,254.01 : x
  2. Step 2: Convert to fraction form
    11,289.81/15,579.73 = 6,254.01/x
  3. Step 3: Cross multiply
    11,289.81x = 15,579.73 × 6,254.01
  4. Step 4: Simplify right side
    11,289.81x = 97,435,781.82
  5. Step 5: Solve for x
    x = 97,435,781.82/11,289.81
  6. Step 6: Final answer
    x = 8,630.42

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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.