Home / 14,051.36-21,087.44-6,655.86

Finding the Fourth Proportional to 14,051.36, 21,087.44 and 6,655.86

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Solution

The fourth proportional to 14,051.36, 21,087.44 and 6,655.86 is: 9,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.36 : 21,087.44 = 6,655.86 : x
  2. Step 2: Convert to fraction form
    14,051.36/21,087.44 = 6,655.86/x
  3. Step 3: Cross multiply
    14,051.36x = 21,087.44 × 6,655.86
  4. Step 4: Simplify right side
    14,051.36x = 140,355,015.12
  5. Step 5: Solve for x
    x = 140,355,015.12/14,051.36
  6. Step 6: Final answer
    x = 9,988.72

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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.