Home / 10,889.64-15,027.93-6,173.82

Finding the Fourth Proportional to 10,889.64, 15,027.93 and 6,173.82

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Solution

The fourth proportional to 10,889.64, 15,027.93 and 6,173.82 is: 8,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.64 : 15,027.93 = 6,173.82 : x
  2. Step 2: Convert to fraction form
    10,889.64/15,027.93 = 6,173.82/x
  3. Step 3: Cross multiply
    10,889.64x = 15,027.93 × 6,173.82
  4. Step 4: Simplify right side
    10,889.64x = 92,779,734.79
  5. Step 5: Solve for x
    x = 92,779,734.79/10,889.64
  6. Step 6: Final answer
    x = 8,520.00

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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.