Home / 18,927.63-26,130.93-12,562.83

Finding the Fourth Proportional to 18,927.63, 26,130.93 and 12,562.83

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Solution

The fourth proportional to 18,927.63, 26,130.93 and 12,562.83 is: 17,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.63 : 26,130.93 = 12,562.83 : x
  2. Step 2: Convert to fraction form
    18,927.63/26,130.93 = 12,562.83/x
  3. Step 3: Cross multiply
    18,927.63x = 26,130.93 × 12,562.83
  4. Step 4: Simplify right side
    18,927.63x = 328,278,431.33
  5. Step 5: Solve for x
    x = 328,278,431.33/18,927.63
  6. Step 6: Final answer
    x = 17,343.87

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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.