Home / 22,734.69-31,368.65-13,780.35

Finding the Fourth Proportional to 22,734.69, 31,368.65 and 13,780.35

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Solution

The fourth proportional to 22,734.69, 31,368.65 and 13,780.35 is: 19,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,734.69 : 31,368.65 = 13,780.35 : x
  2. Step 2: Convert to fraction form
    22,734.69/31,368.65 = 13,780.35/x
  3. Step 3: Cross multiply
    22,734.69x = 31,368.65 × 13,780.35
  4. Step 4: Simplify right side
    22,734.69x = 432,270,907.13
  5. Step 5: Solve for x
    x = 432,270,907.13/22,734.69
  6. Step 6: Final answer
    x = 19,013.71

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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.