Home / 10,258.13-15,394.50-3,685.30

Finding the Fourth Proportional to 10,258.13, 15,394.50 and 3,685.30

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Solution

The fourth proportional to 10,258.13, 15,394.50 and 3,685.30 is: 5,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.13 : 15,394.50 = 3,685.30 : x
  2. Step 2: Convert to fraction form
    10,258.13/15,394.50 = 3,685.30/x
  3. Step 3: Cross multiply
    10,258.13x = 15,394.50 × 3,685.30
  4. Step 4: Simplify right side
    10,258.13x = 56,733,312.36
  5. Step 5: Solve for x
    x = 56,733,312.36/10,258.13
  6. Step 6: Final answer
    x = 5,530.57

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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.