Home / 12,567.78-18,853.70-4,248.32

Finding the Fourth Proportional to 12,567.78, 18,853.70 and 4,248.32

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Solution

The fourth proportional to 12,567.78, 18,853.70 and 4,248.32 is: 6,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.78 : 18,853.70 = 4,248.32 : x
  2. Step 2: Convert to fraction form
    12,567.78/18,853.70 = 4,248.32/x
  3. Step 3: Cross multiply
    12,567.78x = 18,853.70 × 4,248.32
  4. Step 4: Simplify right side
    12,567.78x = 80,096,435.27
  5. Step 5: Solve for x
    x = 80,096,435.27/12,567.78
  6. Step 6: Final answer
    x = 6,373.16

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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.