Home / 21,246.41-29,319.27-11,814.77

Finding the Fourth Proportional to 21,246.41, 29,319.27 and 11,814.77

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Solution

The fourth proportional to 21,246.41, 29,319.27 and 11,814.77 is: 16,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.41 : 29,319.27 = 11,814.77 : x
  2. Step 2: Convert to fraction form
    21,246.41/29,319.27 = 11,814.77/x
  3. Step 3: Cross multiply
    21,246.41x = 29,319.27 × 11,814.77
  4. Step 4: Simplify right side
    21,246.41x = 346,400,285.02
  5. Step 5: Solve for x
    x = 346,400,285.02/21,246.41
  6. Step 6: Final answer
    x = 16,303.95

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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.