Home / 14,308.38-21,448.30-6,798.76

Finding the Fourth Proportional to 14,308.38, 21,448.30 and 6,798.76

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Solution

The fourth proportional to 14,308.38, 21,448.30 and 6,798.76 is: 10,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.38 : 21,448.30 = 6,798.76 : x
  2. Step 2: Convert to fraction form
    14,308.38/21,448.30 = 6,798.76/x
  3. Step 3: Cross multiply
    14,308.38x = 21,448.30 × 6,798.76
  4. Step 4: Simplify right side
    14,308.38x = 145,821,844.11
  5. Step 5: Solve for x
    x = 145,821,844.11/14,308.38
  6. Step 6: Final answer
    x = 10,191.36

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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.