Home / 12,355.93-18,533.80-4,955.10

Finding the Fourth Proportional to 12,355.93, 18,533.80 and 4,955.10

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Solution

The fourth proportional to 12,355.93, 18,533.80 and 4,955.10 is: 7,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.93 : 18,533.80 = 4,955.10 : x
  2. Step 2: Convert to fraction form
    12,355.93/18,533.80 = 4,955.10/x
  3. Step 3: Cross multiply
    12,355.93x = 18,533.80 × 4,955.10
  4. Step 4: Simplify right side
    12,355.93x = 91,836,832.38
  5. Step 5: Solve for x
    x = 91,836,832.38/12,355.93
  6. Step 6: Final answer
    x = 7,432.61

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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.