Home / 14,438.67-21,666.65-13,263.63

Finding the Fourth Proportional to 14,438.67, 21,666.65 and 13,263.63

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Solution

The fourth proportional to 14,438.67, 21,666.65 and 13,263.63 is: 19,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.67 : 21,666.65 = 13,263.63 : x
  2. Step 2: Convert to fraction form
    14,438.67/21,666.65 = 13,263.63/x
  3. Step 3: Cross multiply
    14,438.67x = 21,666.65 × 13,263.63
  4. Step 4: Simplify right side
    14,438.67x = 287,378,362.62
  5. Step 5: Solve for x
    x = 287,378,362.62/14,438.67
  6. Step 6: Final answer
    x = 19,903.38

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1.5x scale

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.