Home / 12,317.28-18,475.32-4,525.60

Finding the Fourth Proportional to 12,317.28, 18,475.32 and 4,525.60

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Solution

The fourth proportional to 12,317.28, 18,475.32 and 4,525.60 is: 6,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.28 : 18,475.32 = 4,525.60 : x
  2. Step 2: Convert to fraction form
    12,317.28/18,475.32 = 4,525.60/x
  3. Step 3: Cross multiply
    12,317.28x = 18,475.32 × 4,525.60
  4. Step 4: Simplify right side
    12,317.28x = 83,611,908.19
  5. Step 5: Solve for x
    x = 83,611,908.19/12,317.28
  6. Step 6: Final answer
    x = 6,788.18

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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.