Home / 16,980.12-23,403.42-14,612.76

Finding the Fourth Proportional to 16,980.12, 23,403.42 and 14,612.76

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Solution

The fourth proportional to 16,980.12, 23,403.42 and 14,612.76 is: 20,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.12 : 23,403.42 = 14,612.76 : x
  2. Step 2: Convert to fraction form
    16,980.12/23,403.42 = 14,612.76/x
  3. Step 3: Cross multiply
    16,980.12x = 23,403.42 × 14,612.76
  4. Step 4: Simplify right side
    16,980.12x = 341,988,559.64
  5. Step 5: Solve for x
    x = 341,988,559.64/16,980.12
  6. Step 6: Final answer
    x = 20,140.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.