Home / 10,673.80-15,989.27-5,320.84

Finding the Fourth Proportional to 10,673.80, 15,989.27 and 5,320.84

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Solution

The fourth proportional to 10,673.80, 15,989.27 and 5,320.84 is: 7,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,673.80 : 15,989.27 = 5,320.84 : x
  2. Step 2: Convert to fraction form
    10,673.80/15,989.27 = 5,320.84/x
  3. Step 3: Cross multiply
    10,673.80x = 15,989.27 × 5,320.84
  4. Step 4: Simplify right side
    10,673.80x = 85,076,240.84
  5. Step 5: Solve for x
    x = 85,076,240.84/10,673.80
  6. Step 6: Final answer
    x = 7,970.57

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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.