Home / 18,911.04-26,095.34-10,955.82

Finding the Fourth Proportional to 18,911.04, 26,095.34 and 10,955.82

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Solution

The fourth proportional to 18,911.04, 26,095.34 and 10,955.82 is: 15,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911.04 : 26,095.34 = 10,955.82 : x
  2. Step 2: Convert to fraction form
    18,911.04/26,095.34 = 10,955.82/x
  3. Step 3: Cross multiply
    18,911.04x = 26,095.34 × 10,955.82
  4. Step 4: Simplify right side
    18,911.04x = 285,895,847.88
  5. Step 5: Solve for x
    x = 285,895,847.88/18,911.04
  6. Step 6: Final answer
    x = 15,117.93

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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.