Home / 9,403.50-12,973.14-6,045.78

Finding the Fourth Proportional to 9,403.50, 12,973.14 and 6,045.78

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Solution

The fourth proportional to 9,403.50, 12,973.14 and 6,045.78 is: 8,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.50 : 12,973.14 = 6,045.78 : x
  2. Step 2: Convert to fraction form
    9,403.50/12,973.14 = 6,045.78/x
  3. Step 3: Cross multiply
    9,403.50x = 12,973.14 × 6,045.78
  4. Step 4: Simplify right side
    9,403.50x = 78,432,750.35
  5. Step 5: Solve for x
    x = 78,432,750.35/9,403.50
  6. Step 6: Final answer
    x = 8,340.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.