Home / 16,943.30-23,379.80-9,387.74

Finding the Fourth Proportional to 16,943.30, 23,379.80 and 9,387.74

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Solution

The fourth proportional to 16,943.30, 23,379.80 and 9,387.74 is: 12,954.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.30 : 23,379.80 = 9,387.74 : x
  2. Step 2: Convert to fraction form
    16,943.30/23,379.80 = 9,387.74/x
  3. Step 3: Cross multiply
    16,943.30x = 23,379.80 × 9,387.74
  4. Step 4: Simplify right side
    16,943.30x = 219,483,483.65
  5. Step 5: Solve for x
    x = 219,483,483.65/16,943.30
  6. Step 6: Final answer
    x = 12,954.00

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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.