Home / 18,857.37-26,020.28-10,898.06

Finding the Fourth Proportional to 18,857.37, 26,020.28 and 10,898.06

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Solution

The fourth proportional to 18,857.37, 26,020.28 and 10,898.06 is: 15,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.37 : 26,020.28 = 10,898.06 : x
  2. Step 2: Convert to fraction form
    18,857.37/26,020.28 = 10,898.06/x
  3. Step 3: Cross multiply
    18,857.37x = 26,020.28 × 10,898.06
  4. Step 4: Simplify right side
    18,857.37x = 283,570,572.66
  5. Step 5: Solve for x
    x = 283,570,572.66/18,857.37
  6. Step 6: Final answer
    x = 15,037.65

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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.