Home / 12,943.26-17,870.76-10,296.90

Finding the Fourth Proportional to 12,943.26, 17,870.76 and 10,296.90

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Solution

The fourth proportional to 12,943.26, 17,870.76 and 10,296.90 is: 14,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.26 : 17,870.76 = 10,296.90 : x
  2. Step 2: Convert to fraction form
    12,943.26/17,870.76 = 10,296.90/x
  3. Step 3: Cross multiply
    12,943.26x = 17,870.76 × 10,296.90
  4. Step 4: Simplify right side
    12,943.26x = 184,013,428.64
  5. Step 5: Solve for x
    x = 184,013,428.64/12,943.26
  6. Step 6: Final answer
    x = 14,216.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.