Home / 14,488.26-19,986.75-9,117.36

Finding the Fourth Proportional to 14,488.26, 19,986.75 and 9,117.36

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Solution

The fourth proportional to 14,488.26, 19,986.75 and 9,117.36 is: 12,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.26 : 19,986.75 = 9,117.36 : x
  2. Step 2: Convert to fraction form
    14,488.26/19,986.75 = 9,117.36/x
  3. Step 3: Cross multiply
    14,488.26x = 19,986.75 × 9,117.36
  4. Step 4: Simplify right side
    14,488.26x = 182,226,394.98
  5. Step 5: Solve for x
    x = 182,226,394.98/14,488.26
  6. Step 6: Final answer
    x = 12,577.52

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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.