Home / 14,094.72-21,114.56-6,688.64

Finding the Fourth Proportional to 14,094.72, 21,114.56 and 6,688.64

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Solution

The fourth proportional to 14,094.72, 21,114.56 and 6,688.64 is: 10,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.72 : 21,114.56 = 6,688.64 : x
  2. Step 2: Convert to fraction form
    14,094.72/21,114.56 = 6,688.64/x
  3. Step 3: Cross multiply
    14,094.72x = 21,114.56 × 6,688.64
  4. Step 4: Simplify right side
    14,094.72x = 141,227,690.60
  5. Step 5: Solve for x
    x = 141,227,690.60/14,094.72
  6. Step 6: Final answer
    x = 10,019.90

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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.