Home / 22,102.85-30,501.49-12,031.51

Finding the Fourth Proportional to 22,102.85, 30,501.49 and 12,031.51

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Solution

The fourth proportional to 22,102.85, 30,501.49 and 12,031.51 is: 16,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.85 : 30,501.49 = 12,031.51 : x
  2. Step 2: Convert to fraction form
    22,102.85/30,501.49 = 12,031.51/x
  3. Step 3: Cross multiply
    22,102.85x = 30,501.49 × 12,031.51
  4. Step 4: Simplify right side
    22,102.85x = 366,978,981.95
  5. Step 5: Solve for x
    x = 366,978,981.95/22,102.85
  6. Step 6: Final answer
    x = 16,603.24

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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.