Home / 8,447.04-12,665.76-7,068.96

Finding the Fourth Proportional to 8,447.04, 12,665.76 and 7,068.96

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Solution

The fourth proportional to 8,447.04, 12,665.76 and 7,068.96 is: 10,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.04 : 12,665.76 = 7,068.96 : x
  2. Step 2: Convert to fraction form
    8,447.04/12,665.76 = 7,068.96/x
  3. Step 3: Cross multiply
    8,447.04x = 12,665.76 × 7,068.96
  4. Step 4: Simplify right side
    8,447.04x = 89,533,750.81
  5. Step 5: Solve for x
    x = 89,533,750.81/8,447.04
  6. Step 6: Final answer
    x = 10,599.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.