Home / 22,130.42-30,539.23-12,058.67

Finding the Fourth Proportional to 22,130.42, 30,539.23 and 12,058.67

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Solution

The fourth proportional to 22,130.42, 30,539.23 and 12,058.67 is: 16,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.42 : 30,539.23 = 12,058.67 : x
  2. Step 2: Convert to fraction form
    22,130.42/30,539.23 = 12,058.67/x
  3. Step 3: Cross multiply
    22,130.42x = 30,539.23 × 12,058.67
  4. Step 4: Simplify right side
    22,130.42x = 368,262,542.83
  5. Step 5: Solve for x
    x = 368,262,542.83/22,130.42
  6. Step 6: Final answer
    x = 16,640.56

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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.