Home / 14,029.32-19,362.87-13,398.74

Finding the Fourth Proportional to 14,029.32, 19,362.87 and 13,398.74

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Solution

The fourth proportional to 14,029.32, 19,362.87 and 13,398.74 is: 18,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.32 : 19,362.87 = 13,398.74 : x
  2. Step 2: Convert to fraction form
    14,029.32/19,362.87 = 13,398.74/x
  3. Step 3: Cross multiply
    14,029.32x = 19,362.87 × 13,398.74
  4. Step 4: Simplify right side
    14,029.32x = 259,437,921.40
  5. Step 5: Solve for x
    x = 259,437,921.40/14,029.32
  6. Step 6: Final answer
    x = 18,492.55

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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.