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Finding the Fourth Proportional to 10,289.79, 14,199.79 and 6,040.10

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Solution

The fourth proportional to 10,289.79, 14,199.79 and 6,040.10 is: 8,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.79 : 14,199.79 = 6,040.10 : x
  2. Step 2: Convert to fraction form
    10,289.79/14,199.79 = 6,040.10/x
  3. Step 3: Cross multiply
    10,289.79x = 14,199.79 × 6,040.10
  4. Step 4: Simplify right side
    10,289.79x = 85,768,151.58
  5. Step 5: Solve for x
    x = 85,768,151.58/10,289.79
  6. Step 6: Final answer
    x = 8,335.27

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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.