Home / 21,953.95-30,296.15-12,522.67

Finding the Fourth Proportional to 21,953.95, 30,296.15 and 12,522.67

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Solution

The fourth proportional to 21,953.95, 30,296.15 and 12,522.67 is: 17,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,953.95 : 30,296.15 = 12,522.67 : x
  2. Step 2: Convert to fraction form
    21,953.95/30,296.15 = 12,522.67/x
  3. Step 3: Cross multiply
    21,953.95x = 30,296.15 × 12,522.67
  4. Step 4: Simplify right side
    21,953.95x = 379,388,626.11
  5. Step 5: Solve for x
    x = 379,388,626.11/21,953.95
  6. Step 6: Final answer
    x = 17,281.11

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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.