Home / 10,428.32-14,391.60-6,451.50

Finding the Fourth Proportional to 10,428.32, 14,391.60 and 6,451.50

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Solution

The fourth proportional to 10,428.32, 14,391.60 and 6,451.50 is: 8,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.32 : 14,391.60 = 6,451.50 : x
  2. Step 2: Convert to fraction form
    10,428.32/14,391.60 = 6,451.50/x
  3. Step 3: Cross multiply
    10,428.32x = 14,391.60 × 6,451.50
  4. Step 4: Simplify right side
    10,428.32x = 92,847,407.40
  5. Step 5: Solve for x
    x = 92,847,407.40/10,428.32
  6. Step 6: Final answer
    x = 8,903.39

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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.