Home / 9,612.80-14,427.30-4,686.65

Finding the Fourth Proportional to 9,612.80, 14,427.30 and 4,686.65

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Solution

The fourth proportional to 9,612.80, 14,427.30 and 4,686.65 is: 7,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.80 : 14,427.30 = 4,686.65 : x
  2. Step 2: Convert to fraction form
    9,612.80/14,427.30 = 4,686.65/x
  3. Step 3: Cross multiply
    9,612.80x = 14,427.30 × 4,686.65
  4. Step 4: Simplify right side
    9,612.80x = 67,615,705.55
  5. Step 5: Solve for x
    x = 67,615,705.55/9,612.80
  6. Step 6: Final answer
    x = 7,033.92

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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.