Home / 12,965.42-19,415.03-10,336.76

Finding the Fourth Proportional to 12,965.42, 19,415.03 and 10,336.76

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Solution

The fourth proportional to 12,965.42, 19,415.03 and 10,336.76 is: 15,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.42 : 19,415.03 = 10,336.76 : x
  2. Step 2: Convert to fraction form
    12,965.42/19,415.03 = 10,336.76/x
  3. Step 3: Cross multiply
    12,965.42x = 19,415.03 × 10,336.76
  4. Step 4: Simplify right side
    12,965.42x = 200,688,395.51
  5. Step 5: Solve for x
    x = 200,688,395.51/12,965.42
  6. Step 6: Final answer
    x = 15,478.75

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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.