Home / 9,020.08-13,465.04-8,615.76

Finding the Fourth Proportional to 9,020.08, 13,465.04 and 8,615.76

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Solution

The fourth proportional to 9,020.08, 13,465.04 and 8,615.76 is: 12,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.08 : 13,465.04 = 8,615.76 : x
  2. Step 2: Convert to fraction form
    9,020.08/13,465.04 = 8,615.76/x
  3. Step 3: Cross multiply
    9,020.08x = 13,465.04 × 8,615.76
  4. Step 4: Simplify right side
    9,020.08x = 116,011,553.03
  5. Step 5: Solve for x
    x = 116,011,553.03/9,020.08
  6. Step 6: Final answer
    x = 12,861.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.