Home / 10,549.32-15,823.92-4,308

Finding the Fourth Proportional to 10,549.32, 15,823.92 and 4,308

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Solution

The fourth proportional to 10,549.32, 15,823.92 and 4,308 is: 6,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.32 : 15,823.92 = 4,308 : x
  2. Step 2: Convert to fraction form
    10,549.32/15,823.92 = 4,308/x
  3. Step 3: Cross multiply
    10,549.32x = 15,823.92 × 4,308
  4. Step 4: Simplify right side
    10,549.32x = 68,169,447.36
  5. Step 5: Solve for x
    x = 68,169,447.36/10,549.32
  6. Step 6: Final answer
    x = 6,461.98

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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.