Home / 18,853.06-26,005.70-13,555.06

Finding the Fourth Proportional to 18,853.06, 26,005.70 and 13,555.06

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Solution

The fourth proportional to 18,853.06, 26,005.70 and 13,555.06 is: 18,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.06 : 26,005.70 = 13,555.06 : x
  2. Step 2: Convert to fraction form
    18,853.06/26,005.70 = 13,555.06/x
  3. Step 3: Cross multiply
    18,853.06x = 26,005.70 × 13,555.06
  4. Step 4: Simplify right side
    18,853.06x = 352,508,823.84
  5. Step 5: Solve for x
    x = 352,508,823.84/18,853.06
  6. Step 6: Final answer
    x = 18,697.70

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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.