Home / 14,279.29-21,419.84-4,417.74

Finding the Fourth Proportional to 14,279.29, 21,419.84 and 4,417.74

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Solution

The fourth proportional to 14,279.29, 21,419.84 and 4,417.74 is: 6,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.29 : 21,419.84 = 4,417.74 : x
  2. Step 2: Convert to fraction form
    14,279.29/21,419.84 = 4,417.74/x
  3. Step 3: Cross multiply
    14,279.29x = 21,419.84 × 4,417.74
  4. Step 4: Simplify right side
    14,279.29x = 94,627,295.01
  5. Step 5: Solve for x
    x = 94,627,295.01/14,279.29
  6. Step 6: Final answer
    x = 6,626.89

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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.