Home / 15,513.73-21,402.01-10,476.34

Finding the Fourth Proportional to 15,513.73, 21,402.01 and 10,476.34

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Solution

The fourth proportional to 15,513.73, 21,402.01 and 10,476.34 is: 14,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.73 : 21,402.01 = 10,476.34 : x
  2. Step 2: Convert to fraction form
    15,513.73/21,402.01 = 10,476.34/x
  3. Step 3: Cross multiply
    15,513.73x = 21,402.01 × 10,476.34
  4. Step 4: Simplify right side
    15,513.73x = 224,214,733.44
  5. Step 5: Solve for x
    x = 224,214,733.44/15,513.73
  6. Step 6: Final answer
    x = 14,452.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.