Home / 9,158.32-12,636.35-6,328.18

Finding the Fourth Proportional to 9,158.32, 12,636.35 and 6,328.18

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Solution

The fourth proportional to 9,158.32, 12,636.35 and 6,328.18 is: 8,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.32 : 12,636.35 = 6,328.18 : x
  2. Step 2: Convert to fraction form
    9,158.32/12,636.35 = 6,328.18/x
  3. Step 3: Cross multiply
    9,158.32x = 12,636.35 × 6,328.18
  4. Step 4: Simplify right side
    9,158.32x = 79,965,034.16
  5. Step 5: Solve for x
    x = 79,965,034.16/9,158.32
  6. Step 6: Final answer
    x = 8,731.41

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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.