Home / 10,506.61-14,520.02-8,615.26

Finding the Fourth Proportional to 10,506.61, 14,520.02 and 8,615.26

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Solution

The fourth proportional to 10,506.61, 14,520.02 and 8,615.26 is: 11,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.61 : 14,520.02 = 8,615.26 : x
  2. Step 2: Convert to fraction form
    10,506.61/14,520.02 = 8,615.26/x
  3. Step 3: Cross multiply
    10,506.61x = 14,520.02 × 8,615.26
  4. Step 4: Simplify right side
    10,506.61x = 125,093,747.51
  5. Step 5: Solve for x
    x = 125,093,747.51/10,506.61
  6. Step 6: Final answer
    x = 11,906.20

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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.