Home / 14,488.80-19,969.08-11,955.96

Finding the Fourth Proportional to 14,488.80, 19,969.08 and 11,955.96

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Solution

The fourth proportional to 14,488.80, 19,969.08 and 11,955.96 is: 16,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.80 : 19,969.08 = 11,955.96 : x
  2. Step 2: Convert to fraction form
    14,488.80/19,969.08 = 11,955.96/x
  3. Step 3: Cross multiply
    14,488.80x = 19,969.08 × 11,955.96
  4. Step 4: Simplify right side
    14,488.80x = 238,749,521.72
  5. Step 5: Solve for x
    x = 238,749,521.72/14,488.80
  6. Step 6: Final answer
    x = 16,478.21

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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.