Home / 13,996.08-21,008.68-6,210.36

Finding the Fourth Proportional to 13,996.08, 21,008.68 and 6,210.36

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Solution

The fourth proportional to 13,996.08, 21,008.68 and 6,210.36 is: 9,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.08 : 21,008.68 = 6,210.36 : x
  2. Step 2: Convert to fraction form
    13,996.08/21,008.68 = 6,210.36/x
  3. Step 3: Cross multiply
    13,996.08x = 21,008.68 × 6,210.36
  4. Step 4: Simplify right side
    13,996.08x = 130,471,465.92
  5. Step 5: Solve for x
    x = 130,471,465.92/13,996.08
  6. Step 6: Final answer
    x = 9,322.00

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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.