Home / 13,656.13-18,844.25-7,605.91

Finding the Fourth Proportional to 13,656.13, 18,844.25 and 7,605.91

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Solution

The fourth proportional to 13,656.13, 18,844.25 and 7,605.91 is: 10,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.13 : 18,844.25 = 7,605.91 : x
  2. Step 2: Convert to fraction form
    13,656.13/18,844.25 = 7,605.91/x
  3. Step 3: Cross multiply
    13,656.13x = 18,844.25 × 7,605.91
  4. Step 4: Simplify right side
    13,656.13x = 143,327,669.52
  5. Step 5: Solve for x
    x = 143,327,669.52/13,656.13
  6. Step 6: Final answer
    x = 10,495.48

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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.