Home / 10,540.63-14,547.77-6,291.91

Finding the Fourth Proportional to 10,540.63, 14,547.77 and 6,291.91

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Solution

The fourth proportional to 10,540.63, 14,547.77 and 6,291.91 is: 8,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.63 : 14,547.77 = 6,291.91 : x
  2. Step 2: Convert to fraction form
    10,540.63/14,547.77 = 6,291.91/x
  3. Step 3: Cross multiply
    10,540.63x = 14,547.77 × 6,291.91
  4. Step 4: Simplify right side
    10,540.63x = 91,533,259.54
  5. Step 5: Solve for x
    x = 91,533,259.54/10,540.63
  6. Step 6: Final answer
    x = 8,683.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.