Home / 14,281.29-21,422.55-4,420.76

Finding the Fourth Proportional to 14,281.29, 21,422.55 and 4,420.76

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Solution

The fourth proportional to 14,281.29, 21,422.55 and 4,420.76 is: 6,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.29 : 21,422.55 = 4,420.76 : x
  2. Step 2: Convert to fraction form
    14,281.29/21,422.55 = 4,420.76/x
  3. Step 3: Cross multiply
    14,281.29x = 21,422.55 × 4,420.76
  4. Step 4: Simplify right side
    14,281.29x = 94,703,845.03
  5. Step 5: Solve for x
    x = 94,703,845.03/14,281.29
  6. Step 6: Final answer
    x = 6,631.32

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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.