Home / 10,038.16-15,048.32-3,459.76

Finding the Fourth Proportional to 10,038.16, 15,048.32 and 3,459.76

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Solution

The fourth proportional to 10,038.16, 15,048.32 and 3,459.76 is: 5,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.16 : 15,048.32 = 3,459.76 : x
  2. Step 2: Convert to fraction form
    10,038.16/15,048.32 = 3,459.76/x
  3. Step 3: Cross multiply
    10,038.16x = 15,048.32 × 3,459.76
  4. Step 4: Simplify right side
    10,038.16x = 52,063,575.60
  5. Step 5: Solve for x
    x = 52,063,575.60/10,038.16
  6. Step 6: Final answer
    x = 5,186.57

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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.