Home / 15,263.64-21,074.16-10,235.38

Finding the Fourth Proportional to 15,263.64, 21,074.16 and 10,235.38

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Solution

The fourth proportional to 15,263.64, 21,074.16 and 10,235.38 is: 14,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.64 : 21,074.16 = 10,235.38 : x
  2. Step 2: Convert to fraction form
    15,263.64/21,074.16 = 10,235.38/x
  3. Step 3: Cross multiply
    15,263.64x = 21,074.16 × 10,235.38
  4. Step 4: Simplify right side
    15,263.64x = 215,702,035.78
  5. Step 5: Solve for x
    x = 215,702,035.78/15,263.64
  6. Step 6: Final answer
    x = 14,131.76

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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.