Home / 10,238.40-15,347.61-5,554.17

Finding the Fourth Proportional to 10,238.40, 15,347.61 and 5,554.17

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Solution

The fourth proportional to 10,238.40, 15,347.61 and 5,554.17 is: 8,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.40 : 15,347.61 = 5,554.17 : x
  2. Step 2: Convert to fraction form
    10,238.40/15,347.61 = 5,554.17/x
  3. Step 3: Cross multiply
    10,238.40x = 15,347.61 × 5,554.17
  4. Step 4: Simplify right side
    10,238.40x = 85,243,235.03
  5. Step 5: Solve for x
    x = 85,243,235.03/10,238.40
  6. Step 6: Final answer
    x = 8,325.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.