Home / 13,998.48-21,002.04-6,602.64

Finding the Fourth Proportional to 13,998.48, 21,002.04 and 6,602.64

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Solution

The fourth proportional to 13,998.48, 21,002.04 and 6,602.64 is: 9,906.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.48 : 21,002.04 = 6,602.64 : x
  2. Step 2: Convert to fraction form
    13,998.48/21,002.04 = 6,602.64/x
  3. Step 3: Cross multiply
    13,998.48x = 21,002.04 × 6,602.64
  4. Step 4: Simplify right side
    13,998.48x = 138,668,909.39
  5. Step 5: Solve for x
    x = 138,668,909.39/13,998.48
  6. Step 6: Final answer
    x = 9,906.00

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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.