Home / 13,298.08-18,218.29-12,799.52

Finding the Fourth Proportional to 13,298.08, 18,218.29 and 12,799.52

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Solution

The fourth proportional to 13,298.08, 18,218.29 and 12,799.52 is: 17,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.08 : 18,218.29 = 12,799.52 : x
  2. Step 2: Convert to fraction form
    13,298.08/18,218.29 = 12,799.52/x
  3. Step 3: Cross multiply
    13,298.08x = 18,218.29 × 12,799.52
  4. Step 4: Simplify right side
    13,298.08x = 233,185,428.77
  5. Step 5: Solve for x
    x = 233,185,428.77/13,298.08
  6. Step 6: Final answer
    x = 17,535.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.