Home / 10,748.79-16,106.78-8,403.23

Finding the Fourth Proportional to 10,748.79, 16,106.78 and 8,403.23

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Solution

The fourth proportional to 10,748.79, 16,106.78 and 8,403.23 is: 12,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.79 : 16,106.78 = 8,403.23 : x
  2. Step 2: Convert to fraction form
    10,748.79/16,106.78 = 8,403.23/x
  3. Step 3: Cross multiply
    10,748.79x = 16,106.78 × 8,403.23
  4. Step 4: Simplify right side
    10,748.79x = 135,348,854.35
  5. Step 5: Solve for x
    x = 135,348,854.35/10,748.79
  6. Step 6: Final answer
    x = 12,592.01

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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.