Home / 22,692.67-31,315.95-12,621.76

Finding the Fourth Proportional to 22,692.67, 31,315.95 and 12,621.76

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Solution

The fourth proportional to 22,692.67, 31,315.95 and 12,621.76 is: 17,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.67 : 31,315.95 = 12,621.76 : x
  2. Step 2: Convert to fraction form
    22,692.67/31,315.95 = 12,621.76/x
  3. Step 3: Cross multiply
    22,692.67x = 31,315.95 × 12,621.76
  4. Step 4: Simplify right side
    22,692.67x = 395,262,405.07
  5. Step 5: Solve for x
    x = 395,262,405.07/22,692.67
  6. Step 6: Final answer
    x = 17,418.07

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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.