Home / 14,977.17-20,518.70-14,416.38

Finding the Fourth Proportional to 14,977.17, 20,518.70 and 14,416.38

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Solution

The fourth proportional to 14,977.17, 20,518.70 and 14,416.38 is: 19,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.17 : 20,518.70 = 14,416.38 : x
  2. Step 2: Convert to fraction form
    14,977.17/20,518.70 = 14,416.38/x
  3. Step 3: Cross multiply
    14,977.17x = 20,518.70 × 14,416.38
  4. Step 4: Simplify right side
    14,977.17x = 295,805,304.22
  5. Step 5: Solve for x
    x = 295,805,304.22/14,977.17
  6. Step 6: Final answer
    x = 19,750.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.