Home / 14,165.77-21,332.98-12,338.95

Finding the Fourth Proportional to 14,165.77, 21,332.98 and 12,338.95

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Solution

The fourth proportional to 14,165.77, 21,332.98 and 12,338.95 is: 18,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.77 : 21,332.98 = 12,338.95 : x
  2. Step 2: Convert to fraction form
    14,165.77/21,332.98 = 12,338.95/x
  3. Step 3: Cross multiply
    14,165.77x = 21,332.98 × 12,338.95
  4. Step 4: Simplify right side
    14,165.77x = 263,226,573.57
  5. Step 5: Solve for x
    x = 263,226,573.57/14,165.77
  6. Step 6: Final answer
    x = 18,581.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.