Home / 10,497.08-15,696.98-8,130.26

Finding the Fourth Proportional to 10,497.08, 15,696.98 and 8,130.26

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Solution

The fourth proportional to 10,497.08, 15,696.98 and 8,130.26 is: 12,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.08 : 15,696.98 = 8,130.26 : x
  2. Step 2: Convert to fraction form
    10,497.08/15,696.98 = 8,130.26/x
  3. Step 3: Cross multiply
    10,497.08x = 15,696.98 × 8,130.26
  4. Step 4: Simplify right side
    10,497.08x = 127,620,528.61
  5. Step 5: Solve for x
    x = 127,620,528.61/10,497.08
  6. Step 6: Final answer
    x = 12,157.72

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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.