Home / 19,823.58-27,355.59-10,869.42

Finding the Fourth Proportional to 19,823.58, 27,355.59 and 10,869.42

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Solution

The fourth proportional to 19,823.58, 27,355.59 and 10,869.42 is: 14,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.58 : 27,355.59 = 10,869.42 : x
  2. Step 2: Convert to fraction form
    19,823.58/27,355.59 = 10,869.42/x
  3. Step 3: Cross multiply
    19,823.58x = 27,355.59 × 10,869.42
  4. Step 4: Simplify right side
    19,823.58x = 297,339,397.06
  5. Step 5: Solve for x
    x = 297,339,397.06/19,823.58
  6. Step 6: Final answer
    x = 14,999.28

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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.