Home / 14,279.30-21,419.94-4,417.28

Finding the Fourth Proportional to 14,279.30, 21,419.94 and 4,417.28

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Solution

The fourth proportional to 14,279.30, 21,419.94 and 4,417.28 is: 6,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.30 : 21,419.94 = 4,417.28 : x
  2. Step 2: Convert to fraction form
    14,279.30/21,419.94 = 4,417.28/x
  3. Step 3: Cross multiply
    14,279.30x = 21,419.94 × 4,417.28
  4. Step 4: Simplify right side
    14,279.30x = 94,617,765.46
  5. Step 5: Solve for x
    x = 94,617,765.46/14,279.30
  6. Step 6: Final answer
    x = 6,626.22

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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.