Home / 12,152.64-18,216.16-6,303.04

Finding the Fourth Proportional to 12,152.64, 18,216.16 and 6,303.04

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Solution

The fourth proportional to 12,152.64, 18,216.16 and 6,303.04 is: 9,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.64 : 18,216.16 = 6,303.04 : x
  2. Step 2: Convert to fraction form
    12,152.64/18,216.16 = 6,303.04/x
  3. Step 3: Cross multiply
    12,152.64x = 18,216.16 × 6,303.04
  4. Step 4: Simplify right side
    12,152.64x = 114,817,185.13
  5. Step 5: Solve for x
    x = 114,817,185.13/12,152.64
  6. Step 6: Final answer
    x = 9,447.92

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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.