Home / 20,260.04-27,960.26-11,309.29

Finding the Fourth Proportional to 20,260.04, 27,960.26 and 11,309.29

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Solution

The fourth proportional to 20,260.04, 27,960.26 and 11,309.29 is: 15,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.04 : 27,960.26 = 11,309.29 : x
  2. Step 2: Convert to fraction form
    20,260.04/27,960.26 = 11,309.29/x
  3. Step 3: Cross multiply
    20,260.04x = 27,960.26 × 11,309.29
  4. Step 4: Simplify right side
    20,260.04x = 316,210,688.82
  5. Step 5: Solve for x
    x = 316,210,688.82/20,260.04
  6. Step 6: Final answer
    x = 15,607.60

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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.