Home / 9,815.46-13,524.18-6,666.18

Finding the Fourth Proportional to 9,815.46, 13,524.18 and 6,666.18

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Solution

The fourth proportional to 9,815.46, 13,524.18 and 6,666.18 is: 9,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.46 : 13,524.18 = 6,666.18 : x
  2. Step 2: Convert to fraction form
    9,815.46/13,524.18 = 6,666.18/x
  3. Step 3: Cross multiply
    9,815.46x = 13,524.18 × 6,666.18
  4. Step 4: Simplify right side
    9,815.46x = 90,154,618.23
  5. Step 5: Solve for x
    x = 90,154,618.23/9,815.46
  6. Step 6: Final answer
    x = 9,184.96

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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.