Home / 11,259.13-15,537.60-6,291.13

Finding the Fourth Proportional to 11,259.13, 15,537.60 and 6,291.13

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Solution

The fourth proportional to 11,259.13, 15,537.60 and 6,291.13 is: 8,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.13 : 15,537.60 = 6,291.13 : x
  2. Step 2: Convert to fraction form
    11,259.13/15,537.60 = 6,291.13/x
  3. Step 3: Cross multiply
    11,259.13x = 15,537.60 × 6,291.13
  4. Step 4: Simplify right side
    11,259.13x = 97,749,061.49
  5. Step 5: Solve for x
    x = 97,749,061.49/11,259.13
  6. Step 6: Final answer
    x = 8,681.76

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1.5x scale

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.