Home / 10,276.80-15,390.35-5,880.93

Finding the Fourth Proportional to 10,276.80, 15,390.35 and 5,880.93

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Solution

The fourth proportional to 10,276.80, 15,390.35 and 5,880.93 is: 8,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.80 : 15,390.35 = 5,880.93 : x
  2. Step 2: Convert to fraction form
    10,276.80/15,390.35 = 5,880.93/x
  3. Step 3: Cross multiply
    10,276.80x = 15,390.35 × 5,880.93
  4. Step 4: Simplify right side
    10,276.80x = 90,509,571.03
  5. Step 5: Solve for x
    x = 90,509,571.03/10,276.80
  6. Step 6: Final answer
    x = 8,807.17

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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.