Home / 11,281.68-15,549.57-8,623.26

Finding the Fourth Proportional to 11,281.68, 15,549.57 and 8,623.26

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Solution

The fourth proportional to 11,281.68, 15,549.57 and 8,623.26 is: 11,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.68 : 15,549.57 = 8,623.26 : x
  2. Step 2: Convert to fraction form
    11,281.68/15,549.57 = 8,623.26/x
  3. Step 3: Cross multiply
    11,281.68x = 15,549.57 × 8,623.26
  4. Step 4: Simplify right side
    11,281.68x = 134,087,985.00
  5. Step 5: Solve for x
    x = 134,087,985.00/11,281.68
  6. Step 6: Final answer
    x = 11,885.46

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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.