Home / 9,403.10-14,102.40-5,445.80

Finding the Fourth Proportional to 9,403.10, 14,102.40 and 5,445.80

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Solution

The fourth proportional to 9,403.10, 14,102.40 and 5,445.80 is: 8,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.10 : 14,102.40 = 5,445.80 : x
  2. Step 2: Convert to fraction form
    9,403.10/14,102.40 = 5,445.80/x
  3. Step 3: Cross multiply
    9,403.10x = 14,102.40 × 5,445.80
  4. Step 4: Simplify right side
    9,403.10x = 76,798,849.92
  5. Step 5: Solve for x
    x = 76,798,849.92/9,403.10
  6. Step 6: Final answer
    x = 8,167.40

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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.