Home / 14,298.12-21,447.36-6,901.20

Finding the Fourth Proportional to 14,298.12, 21,447.36 and 6,901.20

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Solution

The fourth proportional to 14,298.12, 21,447.36 and 6,901.20 is: 10,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.12 : 21,447.36 = 6,901.20 : x
  2. Step 2: Convert to fraction form
    14,298.12/21,447.36 = 6,901.20/x
  3. Step 3: Cross multiply
    14,298.12x = 21,447.36 × 6,901.20
  4. Step 4: Simplify right side
    14,298.12x = 148,012,520.83
  5. Step 5: Solve for x
    x = 148,012,520.83/14,298.12
  6. Step 6: Final answer
    x = 10,351.89

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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.