Home / 18,905.04-26,094.69-10,949.22

Finding the Fourth Proportional to 18,905.04, 26,094.69 and 10,949.22

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Solution

The fourth proportional to 18,905.04, 26,094.69 and 10,949.22 is: 15,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,905.04 : 26,094.69 = 10,949.22 : x
  2. Step 2: Convert to fraction form
    18,905.04/26,094.69 = 10,949.22/x
  3. Step 3: Cross multiply
    18,905.04x = 26,094.69 × 10,949.22
  4. Step 4: Simplify right side
    18,905.04x = 285,716,501.64
  5. Step 5: Solve for x
    x = 285,716,501.64/18,905.04
  6. Step 6: Final answer
    x = 15,113.25

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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.