Home / 12,551.13-18,827.87-4,547.91

Finding the Fourth Proportional to 12,551.13, 18,827.87 and 4,547.91

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Solution

The fourth proportional to 12,551.13, 18,827.87 and 4,547.91 is: 6,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.13 : 18,827.87 = 4,547.91 : x
  2. Step 2: Convert to fraction form
    12,551.13/18,827.87 = 4,547.91/x
  3. Step 3: Cross multiply
    12,551.13x = 18,827.87 × 4,547.91
  4. Step 4: Simplify right side
    12,551.13x = 85,627,435.51
  5. Step 5: Solve for x
    x = 85,627,435.51/12,551.13
  6. Step 6: Final answer
    x = 6,822.29

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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.