Home / 14,267.67-19,689.33-7,980.03

Finding the Fourth Proportional to 14,267.67, 19,689.33 and 7,980.03

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Solution

The fourth proportional to 14,267.67, 19,689.33 and 7,980.03 is: 11,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.67 : 19,689.33 = 7,980.03 : x
  2. Step 2: Convert to fraction form
    14,267.67/19,689.33 = 7,980.03/x
  3. Step 3: Cross multiply
    14,267.67x = 19,689.33 × 7,980.03
  4. Step 4: Simplify right side
    14,267.67x = 157,121,444.08
  5. Step 5: Solve for x
    x = 157,121,444.08/14,267.67
  6. Step 6: Final answer
    x = 11,012.41

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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.