Home / 13,657.34-18,844.44-7,689.26

Finding the Fourth Proportional to 13,657.34, 18,844.44 and 7,689.26

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Solution

The fourth proportional to 13,657.34, 18,844.44 and 7,689.26 is: 10,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.34 : 18,844.44 = 7,689.26 : x
  2. Step 2: Convert to fraction form
    13,657.34/18,844.44 = 7,689.26/x
  3. Step 3: Cross multiply
    13,657.34x = 18,844.44 × 7,689.26
  4. Step 4: Simplify right side
    13,657.34x = 144,899,798.71
  5. Step 5: Solve for x
    x = 144,899,798.71/13,657.34
  6. Step 6: Final answer
    x = 10,609.66

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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.