Home / 14,421.33-21,488.63-12,849.25

Finding the Fourth Proportional to 14,421.33, 21,488.63 and 12,849.25

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Solution

The fourth proportional to 14,421.33, 21,488.63 and 12,849.25 is: 19,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.33 : 21,488.63 = 12,849.25 : x
  2. Step 2: Convert to fraction form
    14,421.33/21,488.63 = 12,849.25/x
  3. Step 3: Cross multiply
    14,421.33x = 21,488.63 × 12,849.25
  4. Step 4: Simplify right side
    14,421.33x = 276,112,779.03
  5. Step 5: Solve for x
    x = 276,112,779.03/14,421.33
  6. Step 6: Final answer
    x = 19,146.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.