Home / 14,291.66-21,411.57-13,980.62

Finding the Fourth Proportional to 14,291.66, 21,411.57 and 13,980.62

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Solution

The fourth proportional to 14,291.66, 21,411.57 and 13,980.62 is: 20,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.66 : 21,411.57 = 13,980.62 : x
  2. Step 2: Convert to fraction form
    14,291.66/21,411.57 = 13,980.62/x
  3. Step 3: Cross multiply
    14,291.66x = 21,411.57 × 13,980.62
  4. Step 4: Simplify right side
    14,291.66x = 299,347,023.77
  5. Step 5: Solve for x
    x = 299,347,023.77/14,291.66
  6. Step 6: Final answer
    x = 20,945.57

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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.