Home / 9,433.80-14,136.30-8,915.40

Finding the Fourth Proportional to 9,433.80, 14,136.30 and 8,915.40

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Solution

The fourth proportional to 9,433.80, 14,136.30 and 8,915.40 is: 13,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,433.80 : 14,136.30 = 8,915.40 : x
  2. Step 2: Convert to fraction form
    9,433.80/14,136.30 = 8,915.40/x
  3. Step 3: Cross multiply
    9,433.80x = 14,136.30 × 8,915.40
  4. Step 4: Simplify right side
    9,433.80x = 126,030,769.02
  5. Step 5: Solve for x
    x = 126,030,769.02/9,433.80
  6. Step 6: Final answer
    x = 13,359.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.