Home / 19,510.86-26,918.34-11,011.98

Finding the Fourth Proportional to 19,510.86, 26,918.34 and 11,011.98

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Solution

The fourth proportional to 19,510.86, 26,918.34 and 11,011.98 is: 15,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.86 : 26,918.34 = 11,011.98 : x
  2. Step 2: Convert to fraction form
    19,510.86/26,918.34 = 11,011.98/x
  3. Step 3: Cross multiply
    19,510.86x = 26,918.34 × 11,011.98
  4. Step 4: Simplify right side
    19,510.86x = 296,424,221.71
  5. Step 5: Solve for x
    x = 296,424,221.71/19,510.86
  6. Step 6: Final answer
    x = 15,192.78

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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.