Home / 19,634.36-29,459.10-9,780.98

Finding the Fourth Proportional to 19,634.36, 29,459.10 and 9,780.98

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Solution

The fourth proportional to 19,634.36, 29,459.10 and 9,780.98 is: 14,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634.36 : 29,459.10 = 9,780.98 : x
  2. Step 2: Convert to fraction form
    19,634.36/29,459.10 = 9,780.98/x
  3. Step 3: Cross multiply
    19,634.36x = 29,459.10 × 9,780.98
  4. Step 4: Simplify right side
    19,634.36x = 288,138,867.92
  5. Step 5: Solve for x
    x = 288,138,867.92/19,634.36
  6. Step 6: Final answer
    x = 14,675.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.