Home / 19,730.06-27,226.49-10,775.91

Finding the Fourth Proportional to 19,730.06, 27,226.49 and 10,775.91

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Solution

The fourth proportional to 19,730.06, 27,226.49 and 10,775.91 is: 14,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.06 : 27,226.49 = 10,775.91 : x
  2. Step 2: Convert to fraction form
    19,730.06/27,226.49 = 10,775.91/x
  3. Step 3: Cross multiply
    19,730.06x = 27,226.49 × 10,775.91
  4. Step 4: Simplify right side
    19,730.06x = 293,390,151.98
  5. Step 5: Solve for x
    x = 293,390,151.98/19,730.06
  6. Step 6: Final answer
    x = 14,870.21

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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.