Home / 13,257.95-18,296.08-7,593.21

Finding the Fourth Proportional to 13,257.95, 18,296.08 and 7,593.21

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Solution

The fourth proportional to 13,257.95, 18,296.08 and 7,593.21 is: 10,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.95 : 18,296.08 = 7,593.21 : x
  2. Step 2: Convert to fraction form
    13,257.95/18,296.08 = 7,593.21/x
  3. Step 3: Cross multiply
    13,257.95x = 18,296.08 × 7,593.21
  4. Step 4: Simplify right side
    13,257.95x = 138,925,958.63
  5. Step 5: Solve for x
    x = 138,925,958.63/13,257.95
  6. Step 6: Final answer
    x = 10,478.69

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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.