Home / 15,946.94-23,909.61-8,931.80

Finding the Fourth Proportional to 15,946.94, 23,909.61 and 8,931.80

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Solution

The fourth proportional to 15,946.94, 23,909.61 and 8,931.80 is: 13,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.94 : 23,909.61 = 8,931.80 : x
  2. Step 2: Convert to fraction form
    15,946.94/23,909.61 = 8,931.80/x
  3. Step 3: Cross multiply
    15,946.94x = 23,909.61 × 8,931.80
  4. Step 4: Simplify right side
    15,946.94x = 213,555,854.60
  5. Step 5: Solve for x
    x = 213,555,854.60/15,946.94
  6. Step 6: Final answer
    x = 13,391.65

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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.