Home / 12,960.26-17,807.64-10,303.06

Finding the Fourth Proportional to 12,960.26, 17,807.64 and 10,303.06

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Solution

The fourth proportional to 12,960.26, 17,807.64 and 10,303.06 is: 14,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.26 : 17,807.64 = 10,303.06 : x
  2. Step 2: Convert to fraction form
    12,960.26/17,807.64 = 10,303.06/x
  3. Step 3: Cross multiply
    12,960.26x = 17,807.64 × 10,303.06
  4. Step 4: Simplify right side
    12,960.26x = 183,473,183.38
  5. Step 5: Solve for x
    x = 183,473,183.38/12,960.26
  6. Step 6: Final answer
    x = 14,156.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.