Home / 10,328.21-14,253.05-5,612.57

Finding the Fourth Proportional to 10,328.21, 14,253.05 and 5,612.57

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Solution

The fourth proportional to 10,328.21, 14,253.05 and 5,612.57 is: 7,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.21 : 14,253.05 = 5,612.57 : x
  2. Step 2: Convert to fraction form
    10,328.21/14,253.05 = 5,612.57/x
  3. Step 3: Cross multiply
    10,328.21x = 14,253.05 × 5,612.57
  4. Step 4: Simplify right side
    10,328.21x = 79,996,240.84
  5. Step 5: Solve for x
    x = 79,996,240.84/10,328.21
  6. Step 6: Final answer
    x = 7,745.41

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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.