Home / 19,461.74-26,857.86-11,510.78

Finding the Fourth Proportional to 19,461.74, 26,857.86 and 11,510.78

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Solution

The fourth proportional to 19,461.74, 26,857.86 and 11,510.78 is: 15,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.74 : 26,857.86 = 11,510.78 : x
  2. Step 2: Convert to fraction form
    19,461.74/26,857.86 = 11,510.78/x
  3. Step 3: Cross multiply
    19,461.74x = 26,857.86 × 11,510.78
  4. Step 4: Simplify right side
    19,461.74x = 309,154,917.73
  5. Step 5: Solve for x
    x = 309,154,917.73/19,461.74
  6. Step 6: Final answer
    x = 15,885.27

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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.