Home / 19,570.71-27,008.91-11,072.82

Finding the Fourth Proportional to 19,570.71, 27,008.91 and 11,072.82

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Solution

The fourth proportional to 19,570.71, 27,008.91 and 11,072.82 is: 15,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.71 : 27,008.91 = 11,072.82 : x
  2. Step 2: Convert to fraction form
    19,570.71/27,008.91 = 11,072.82/x
  3. Step 3: Cross multiply
    19,570.71x = 27,008.91 × 11,072.82
  4. Step 4: Simplify right side
    19,570.71x = 299,064,798.83
  5. Step 5: Solve for x
    x = 299,064,798.83/19,570.71
  6. Step 6: Final answer
    x = 15,281.24

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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.