Home / 18,970.32-26,179.86-10,586.82

Finding the Fourth Proportional to 18,970.32, 26,179.86 and 10,586.82

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Solution

The fourth proportional to 18,970.32, 26,179.86 and 10,586.82 is: 14,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.32 : 26,179.86 = 10,586.82 : x
  2. Step 2: Convert to fraction form
    18,970.32/26,179.86 = 10,586.82/x
  3. Step 3: Cross multiply
    18,970.32x = 26,179.86 × 10,586.82
  4. Step 4: Simplify right side
    18,970.32x = 277,161,465.45
  5. Step 5: Solve for x
    x = 277,161,465.45/18,970.32
  6. Step 6: Final answer
    x = 14,610.27

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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.