Home / 13,330.93-19,996.41-9,870.61

Finding the Fourth Proportional to 13,330.93, 19,996.41 and 9,870.61

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Solution

The fourth proportional to 13,330.93, 19,996.41 and 9,870.61 is: 14,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.93 : 19,996.41 = 9,870.61 : x
  2. Step 2: Convert to fraction form
    13,330.93/19,996.41 = 9,870.61/x
  3. Step 3: Cross multiply
    13,330.93x = 19,996.41 × 9,870.61
  4. Step 4: Simplify right side
    13,330.93x = 197,376,764.51
  5. Step 5: Solve for x
    x = 197,376,764.51/13,330.93
  6. Step 6: Final answer
    x = 14,805.93

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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.