Home / 9,184.58-12,662.64-6,630.18

Finding the Fourth Proportional to 9,184.58, 12,662.64 and 6,630.18

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Solution

The fourth proportional to 9,184.58, 12,662.64 and 6,630.18 is: 9,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.58 : 12,662.64 = 6,630.18 : x
  2. Step 2: Convert to fraction form
    9,184.58/12,662.64 = 6,630.18/x
  3. Step 3: Cross multiply
    9,184.58x = 12,662.64 × 6,630.18
  4. Step 4: Simplify right side
    9,184.58x = 83,955,582.48
  5. Step 5: Solve for x
    x = 83,955,582.48/9,184.58
  6. Step 6: Final answer
    x = 9,140.93

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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.