Home / 14,302.74-21,333.53-13,865.34

Finding the Fourth Proportional to 14,302.74, 21,333.53 and 13,865.34

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Solution

The fourth proportional to 14,302.74, 21,333.53 and 13,865.34 is: 20,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.74 : 21,333.53 = 13,865.34 : x
  2. Step 2: Convert to fraction form
    14,302.74/21,333.53 = 13,865.34/x
  3. Step 3: Cross multiply
    14,302.74x = 21,333.53 × 13,865.34
  4. Step 4: Simplify right side
    14,302.74x = 295,796,646.85
  5. Step 5: Solve for x
    x = 295,796,646.85/14,302.74
  6. Step 6: Final answer
    x = 20,681.12

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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.