Home / 12,347.92-18,526.04-3,915.80

Finding the Fourth Proportional to 12,347.92, 18,526.04 and 3,915.80

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Solution

The fourth proportional to 12,347.92, 18,526.04 and 3,915.80 is: 5,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.92 : 18,526.04 = 3,915.80 : x
  2. Step 2: Convert to fraction form
    12,347.92/18,526.04 = 3,915.80/x
  3. Step 3: Cross multiply
    12,347.92x = 18,526.04 × 3,915.80
  4. Step 4: Simplify right side
    12,347.92x = 72,544,247.85
  5. Step 5: Solve for x
    x = 72,544,247.85/12,347.92
  6. Step 6: Final answer
    x = 5,875.02

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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.