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Finding the Fourth Proportional to 14,358.92, 19,810.41 and 8,977.67

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Solution

The fourth proportional to 14,358.92, 19,810.41 and 8,977.67 is: 12,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.92 : 19,810.41 = 8,977.67 : x
  2. Step 2: Convert to fraction form
    14,358.92/19,810.41 = 8,977.67/x
  3. Step 3: Cross multiply
    14,358.92x = 19,810.41 × 8,977.67
  4. Step 4: Simplify right side
    14,358.92x = 177,851,323.54
  5. Step 5: Solve for x
    x = 177,851,323.54/14,358.92
  6. Step 6: Final answer
    x = 12,386.12

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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.