Home / 19,238.35-26,548.81-10,739.98

Finding the Fourth Proportional to 19,238.35, 26,548.81 and 10,739.98

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Solution

The fourth proportional to 19,238.35, 26,548.81 and 10,739.98 is: 14,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.35 : 26,548.81 = 10,739.98 : x
  2. Step 2: Convert to fraction form
    19,238.35/26,548.81 = 10,739.98/x
  3. Step 3: Cross multiply
    19,238.35x = 26,548.81 × 10,739.98
  4. Step 4: Simplify right side
    19,238.35x = 285,133,688.42
  5. Step 5: Solve for x
    x = 285,133,688.42/19,238.35
  6. Step 6: Final answer
    x = 14,821.11

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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.