Home / 12,339.09-18,507.96-4,547.25

Finding the Fourth Proportional to 12,339.09, 18,507.96 and 4,547.25

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Solution

The fourth proportional to 12,339.09, 18,507.96 and 4,547.25 is: 6,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.09 : 18,507.96 = 4,547.25 : x
  2. Step 2: Convert to fraction form
    12,339.09/18,507.96 = 4,547.25/x
  3. Step 3: Cross multiply
    12,339.09x = 18,507.96 × 4,547.25
  4. Step 4: Simplify right side
    12,339.09x = 84,160,321.11
  5. Step 5: Solve for x
    x = 84,160,321.11/12,339.09
  6. Step 6: Final answer
    x = 6,820.63

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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.