Home / 12,030.97-18,048.73-5,457.67

Finding the Fourth Proportional to 12,030.97, 18,048.73 and 5,457.67

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Solution

The fourth proportional to 12,030.97, 18,048.73 and 5,457.67 is: 8,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.97 : 18,048.73 = 5,457.67 : x
  2. Step 2: Convert to fraction form
    12,030.97/18,048.73 = 5,457.67/x
  3. Step 3: Cross multiply
    12,030.97x = 18,048.73 × 5,457.67
  4. Step 4: Simplify right side
    12,030.97x = 98,503,953.49
  5. Step 5: Solve for x
    x = 98,503,953.49/12,030.97
  6. Step 6: Final answer
    x = 8,187.53

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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.