Home / 10,250.13-15,368.61-4,325.40

Finding the Fourth Proportional to 10,250.13, 15,368.61 and 4,325.40

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Solution

The fourth proportional to 10,250.13, 15,368.61 and 4,325.40 is: 6,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.13 : 15,368.61 = 4,325.40 : x
  2. Step 2: Convert to fraction form
    10,250.13/15,368.61 = 4,325.40/x
  3. Step 3: Cross multiply
    10,250.13x = 15,368.61 × 4,325.40
  4. Step 4: Simplify right side
    10,250.13x = 66,475,401.91
  5. Step 5: Solve for x
    x = 66,475,401.91/10,250.13
  6. Step 6: Final answer
    x = 6,485.32

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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.