Home / 11,038.28-15,230.23-7,459.80

Finding the Fourth Proportional to 11,038.28, 15,230.23 and 7,459.80

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Solution

The fourth proportional to 11,038.28, 15,230.23 and 7,459.80 is: 10,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.28 : 15,230.23 = 7,459.80 : x
  2. Step 2: Convert to fraction form
    11,038.28/15,230.23 = 7,459.80/x
  3. Step 3: Cross multiply
    11,038.28x = 15,230.23 × 7,459.80
  4. Step 4: Simplify right side
    11,038.28x = 113,614,393.99
  5. Step 5: Solve for x
    x = 113,614,393.99/11,038.28
  6. Step 6: Final answer
    x = 10,292.77

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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.