Home / 10,829.22-14,955.24-9,328.68

Finding the Fourth Proportional to 10,829.22, 14,955.24 and 9,328.68

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Solution

The fourth proportional to 10,829.22, 14,955.24 and 9,328.68 is: 12,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.22 : 14,955.24 = 9,328.68 : x
  2. Step 2: Convert to fraction form
    10,829.22/14,955.24 = 9,328.68/x
  3. Step 3: Cross multiply
    10,829.22x = 14,955.24 × 9,328.68
  4. Step 4: Simplify right side
    10,829.22x = 139,512,648.28
  5. Step 5: Solve for x
    x = 139,512,648.28/10,829.22
  6. Step 6: Final answer
    x = 12,882.98

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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.