Home / 10,359.50-14,304.52-8,445.60

Finding the Fourth Proportional to 10,359.50, 14,304.52 and 8,445.60

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Solution

The fourth proportional to 10,359.50, 14,304.52 and 8,445.60 is: 11,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.50 : 14,304.52 = 8,445.60 : x
  2. Step 2: Convert to fraction form
    10,359.50/14,304.52 = 8,445.60/x
  3. Step 3: Cross multiply
    10,359.50x = 14,304.52 × 8,445.60
  4. Step 4: Simplify right side
    10,359.50x = 120,810,254.11
  5. Step 5: Solve for x
    x = 120,810,254.11/10,359.50
  6. Step 6: Final answer
    x = 11,661.78

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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.