Home / 12,316.94-18,475.74-4,420.04

Finding the Fourth Proportional to 12,316.94, 18,475.74 and 4,420.04

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Solution

The fourth proportional to 12,316.94, 18,475.74 and 4,420.04 is: 6,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.94 : 18,475.74 = 4,420.04 : x
  2. Step 2: Convert to fraction form
    12,316.94/18,475.74 = 4,420.04/x
  3. Step 3: Cross multiply
    12,316.94x = 18,475.74 × 4,420.04
  4. Step 4: Simplify right side
    12,316.94x = 81,663,509.83
  5. Step 5: Solve for x
    x = 81,663,509.83/12,316.94
  6. Step 6: Final answer
    x = 6,630.18

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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.