Home / 12,289.32-17,041.14-11,873.70

Finding the Fourth Proportional to 12,289.32, 17,041.14 and 11,873.70

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Solution

The fourth proportional to 12,289.32, 17,041.14 and 11,873.70 is: 16,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289.32 : 17,041.14 = 11,873.70 : x
  2. Step 2: Convert to fraction form
    12,289.32/17,041.14 = 11,873.70/x
  3. Step 3: Cross multiply
    12,289.32x = 17,041.14 × 11,873.70
  4. Step 4: Simplify right side
    12,289.32x = 202,341,384.02
  5. Step 5: Solve for x
    x = 202,341,384.02/12,289.32
  6. Step 6: Final answer
    x = 16,464.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.