Home / 15,346.63-21,156.13-10,163.84

Finding the Fourth Proportional to 15,346.63, 21,156.13 and 10,163.84

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Solution

The fourth proportional to 15,346.63, 21,156.13 and 10,163.84 is: 14,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.63 : 21,156.13 = 10,163.84 : x
  2. Step 2: Convert to fraction form
    15,346.63/21,156.13 = 10,163.84/x
  3. Step 3: Cross multiply
    15,346.63x = 21,156.13 × 10,163.84
  4. Step 4: Simplify right side
    15,346.63x = 215,027,520.34
  5. Step 5: Solve for x
    x = 215,027,520.34/15,346.63
  6. Step 6: Final answer
    x = 14,011.38

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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.