Home / 10,320.18-14,245.56-6,128.46

Finding the Fourth Proportional to 10,320.18, 14,245.56 and 6,128.46

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Solution

The fourth proportional to 10,320.18, 14,245.56 and 6,128.46 is: 8,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.18 : 14,245.56 = 6,128.46 : x
  2. Step 2: Convert to fraction form
    10,320.18/14,245.56 = 6,128.46/x
  3. Step 3: Cross multiply
    10,320.18x = 14,245.56 × 6,128.46
  4. Step 4: Simplify right side
    10,320.18x = 87,303,344.64
  5. Step 5: Solve for x
    x = 87,303,344.64/10,320.18
  6. Step 6: Final answer
    x = 8,459.48

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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.