Home / 14,664.80-21,986.40-9,973.10

Finding the Fourth Proportional to 14,664.80, 21,986.40 and 9,973.10

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Solution

The fourth proportional to 14,664.80, 21,986.40 and 9,973.10 is: 14,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.80 : 21,986.40 = 9,973.10 : x
  2. Step 2: Convert to fraction form
    14,664.80/21,986.40 = 9,973.10/x
  3. Step 3: Cross multiply
    14,664.80x = 21,986.40 × 9,973.10
  4. Step 4: Simplify right side
    14,664.80x = 219,272,565.84
  5. Step 5: Solve for x
    x = 219,272,565.84/14,664.80
  6. Step 6: Final answer
    x = 14,952.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.