Home / 10,218.28-14,106.18-7,430.44

Finding the Fourth Proportional to 10,218.28, 14,106.18 and 7,430.44

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Solution

The fourth proportional to 10,218.28, 14,106.18 and 7,430.44 is: 10,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.28 : 14,106.18 = 7,430.44 : x
  2. Step 2: Convert to fraction form
    10,218.28/14,106.18 = 7,430.44/x
  3. Step 3: Cross multiply
    10,218.28x = 14,106.18 × 7,430.44
  4. Step 4: Simplify right side
    10,218.28x = 104,815,124.12
  5. Step 5: Solve for x
    x = 104,815,124.12/10,218.28
  6. Step 6: Final answer
    x = 10,257.61

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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.