Home / 21,813.69-32,655.89-13,466.87

Finding the Fourth Proportional to 21,813.69, 32,655.89 and 13,466.87

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Solution

The fourth proportional to 21,813.69, 32,655.89 and 13,466.87 is: 20,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813.69 : 32,655.89 = 13,466.87 : x
  2. Step 2: Convert to fraction form
    21,813.69/32,655.89 = 13,466.87/x
  3. Step 3: Cross multiply
    21,813.69x = 32,655.89 × 13,466.87
  4. Step 4: Simplify right side
    21,813.69x = 439,772,495.75
  5. Step 5: Solve for x
    x = 439,772,495.75/21,813.69
  6. Step 6: Final answer
    x = 20,160.39

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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.