Home / 19,129.66-28,705.83-10,364.38

Finding the Fourth Proportional to 19,129.66, 28,705.83 and 10,364.38

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Solution

The fourth proportional to 19,129.66, 28,705.83 and 10,364.38 is: 15,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.66 : 28,705.83 = 10,364.38 : x
  2. Step 2: Convert to fraction form
    19,129.66/28,705.83 = 10,364.38/x
  3. Step 3: Cross multiply
    19,129.66x = 28,705.83 × 10,364.38
  4. Step 4: Simplify right side
    19,129.66x = 297,518,130.34
  5. Step 5: Solve for x
    x = 297,518,130.34/19,129.66
  6. Step 6: Final answer
    x = 15,552.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.