Home / 14,501.28-20,015.52-8,916.96

Finding the Fourth Proportional to 14,501.28, 20,015.52 and 8,916.96

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Solution

The fourth proportional to 14,501.28, 20,015.52 and 8,916.96 is: 12,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.28 : 20,015.52 = 8,916.96 : x
  2. Step 2: Convert to fraction form
    14,501.28/20,015.52 = 8,916.96/x
  3. Step 3: Cross multiply
    14,501.28x = 20,015.52 × 8,916.96
  4. Step 4: Simplify right side
    14,501.28x = 178,477,591.22
  5. Step 5: Solve for x
    x = 178,477,591.22/14,501.28
  6. Step 6: Final answer
    x = 12,307.71

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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.