Home / 10,726.04-14,787.68-8,804.72

Finding the Fourth Proportional to 10,726.04, 14,787.68 and 8,804.72

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Solution

The fourth proportional to 10,726.04, 14,787.68 and 8,804.72 is: 12,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726.04 : 14,787.68 = 8,804.72 : x
  2. Step 2: Convert to fraction form
    10,726.04/14,787.68 = 8,804.72/x
  3. Step 3: Cross multiply
    10,726.04x = 14,787.68 × 8,804.72
  4. Step 4: Simplify right side
    10,726.04x = 130,201,381.85
  5. Step 5: Solve for x
    x = 130,201,381.85/10,726.04
  6. Step 6: Final answer
    x = 12,138.81

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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.