Home / 14,715.64-20,302.14-8,747.56

Finding the Fourth Proportional to 14,715.64, 20,302.14 and 8,747.56

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Solution

The fourth proportional to 14,715.64, 20,302.14 and 8,747.56 is: 12,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.64 : 20,302.14 = 8,747.56 : x
  2. Step 2: Convert to fraction form
    14,715.64/20,302.14 = 8,747.56/x
  3. Step 3: Cross multiply
    14,715.64x = 20,302.14 × 8,747.56
  4. Step 4: Simplify right side
    14,715.64x = 177,594,187.78
  5. Step 5: Solve for x
    x = 177,594,187.78/14,715.64
  6. Step 6: Final answer
    x = 12,068.40

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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.