Home / 19,302.74-28,963.34-10,875.96

Finding the Fourth Proportional to 19,302.74, 28,963.34 and 10,875.96

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Solution

The fourth proportional to 19,302.74, 28,963.34 and 10,875.96 is: 16,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.74 : 28,963.34 = 10,875.96 : x
  2. Step 2: Convert to fraction form
    19,302.74/28,963.34 = 10,875.96/x
  3. Step 3: Cross multiply
    19,302.74x = 28,963.34 × 10,875.96
  4. Step 4: Simplify right side
    19,302.74x = 315,004,113.71
  5. Step 5: Solve for x
    x = 315,004,113.71/19,302.74
  6. Step 6: Final answer
    x = 16,319.14

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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.