Home / 10,320.03-14,245.28-6,128.25

Finding the Fourth Proportional to 10,320.03, 14,245.28 and 6,128.25

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Solution

The fourth proportional to 10,320.03, 14,245.28 and 6,128.25 is: 8,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.03 : 14,245.28 = 6,128.25 : x
  2. Step 2: Convert to fraction form
    10,320.03/14,245.28 = 6,128.25/x
  3. Step 3: Cross multiply
    10,320.03x = 14,245.28 × 6,128.25
  4. Step 4: Simplify right side
    10,320.03x = 87,298,606.52
  5. Step 5: Solve for x
    x = 87,298,606.52/10,320.03
  6. Step 6: Final answer
    x = 8,459.14

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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.