Home / 10,128.18-13,973.17-6,351.50

Finding the Fourth Proportional to 10,128.18, 13,973.17 and 6,351.50

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Solution

The fourth proportional to 10,128.18, 13,973.17 and 6,351.50 is: 8,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128.18 : 13,973.17 = 6,351.50 : x
  2. Step 2: Convert to fraction form
    10,128.18/13,973.17 = 6,351.50/x
  3. Step 3: Cross multiply
    10,128.18x = 13,973.17 × 6,351.50
  4. Step 4: Simplify right side
    10,128.18x = 88,750,589.26
  5. Step 5: Solve for x
    x = 88,750,589.26/10,128.18
  6. Step 6: Final answer
    x = 8,762.74

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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.