Home / 21,465.18-29,620.95-12,033.50

Finding the Fourth Proportional to 21,465.18, 29,620.95 and 12,033.50

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Solution

The fourth proportional to 21,465.18, 29,620.95 and 12,033.50 is: 16,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.18 : 29,620.95 = 12,033.50 : x
  2. Step 2: Convert to fraction form
    21,465.18/29,620.95 = 12,033.50/x
  3. Step 3: Cross multiply
    21,465.18x = 29,620.95 × 12,033.50
  4. Step 4: Simplify right side
    21,465.18x = 356,443,701.83
  5. Step 5: Solve for x
    x = 356,443,701.83/21,465.18
  6. Step 6: Final answer
    x = 16,605.67

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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.