Home / 18,995.04-26,212.95-11,037.20

Finding the Fourth Proportional to 18,995.04, 26,212.95 and 11,037.20

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Solution

The fourth proportional to 18,995.04, 26,212.95 and 11,037.20 is: 15,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.04 : 26,212.95 = 11,037.20 : x
  2. Step 2: Convert to fraction form
    18,995.04/26,212.95 = 11,037.20/x
  3. Step 3: Cross multiply
    18,995.04x = 26,212.95 × 11,037.20
  4. Step 4: Simplify right side
    18,995.04x = 289,317,440.68
  5. Step 5: Solve for x
    x = 289,317,440.68/18,995.04
  6. Step 6: Final answer
    x = 15,231.21

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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.