Home / 19,810.99-27,339.53-10,858.42

Finding the Fourth Proportional to 19,810.99, 27,339.53 and 10,858.42

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Solution

The fourth proportional to 19,810.99, 27,339.53 and 10,858.42 is: 14,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.99 : 27,339.53 = 10,858.42 : x
  2. Step 2: Convert to fraction form
    19,810.99/27,339.53 = 10,858.42/x
  3. Step 3: Cross multiply
    19,810.99x = 27,339.53 × 10,858.42
  4. Step 4: Simplify right side
    19,810.99x = 296,864,045.05
  5. Step 5: Solve for x
    x = 296,864,045.05/19,810.99
  6. Step 6: Final answer
    x = 14,984.82

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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.