Home / 13,360.48-18,437.64-7,696.23

Finding the Fourth Proportional to 13,360.48, 18,437.64 and 7,696.23

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Solution

The fourth proportional to 13,360.48, 18,437.64 and 7,696.23 is: 10,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.48 : 18,437.64 = 7,696.23 : x
  2. Step 2: Convert to fraction form
    13,360.48/18,437.64 = 7,696.23/x
  3. Step 3: Cross multiply
    13,360.48x = 18,437.64 × 7,696.23
  4. Step 4: Simplify right side
    13,360.48x = 141,900,367.10
  5. Step 5: Solve for x
    x = 141,900,367.10/13,360.48
  6. Step 6: Final answer
    x = 10,620.91

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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.