Home / 18,090.95-24,974.06-12,126.51

Finding the Fourth Proportional to 18,090.95, 24,974.06 and 12,126.51

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Solution

The fourth proportional to 18,090.95, 24,974.06 and 12,126.51 is: 16,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.95 : 24,974.06 = 12,126.51 : x
  2. Step 2: Convert to fraction form
    18,090.95/24,974.06 = 12,126.51/x
  3. Step 3: Cross multiply
    18,090.95x = 24,974.06 × 12,126.51
  4. Step 4: Simplify right side
    18,090.95x = 302,848,127.70
  5. Step 5: Solve for x
    x = 302,848,127.70/18,090.95
  6. Step 6: Final answer
    x = 16,740.32

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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.