Home / 19,810.91-27,339.27-10,858.22

Finding the Fourth Proportional to 19,810.91, 27,339.27 and 10,858.22

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Solution

The fourth proportional to 19,810.91, 27,339.27 and 10,858.22 is: 14,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.91 : 27,339.27 = 10,858.22 : x
  2. Step 2: Convert to fraction form
    19,810.91/27,339.27 = 10,858.22/x
  3. Step 3: Cross multiply
    19,810.91x = 27,339.27 × 10,858.22
  4. Step 4: Simplify right side
    19,810.91x = 296,855,808.30
  5. Step 5: Solve for x
    x = 296,855,808.30/19,810.91
  6. Step 6: Final answer
    x = 14,984.46

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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.