Home / 15,795.30-21,764.30-10,750.62

Finding the Fourth Proportional to 15,795.30, 21,764.30 and 10,750.62

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Solution

The fourth proportional to 15,795.30, 21,764.30 and 10,750.62 is: 14,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.30 : 21,764.30 = 10,750.62 : x
  2. Step 2: Convert to fraction form
    15,795.30/21,764.30 = 10,750.62/x
  3. Step 3: Cross multiply
    15,795.30x = 21,764.30 × 10,750.62
  4. Step 4: Simplify right side
    15,795.30x = 233,979,746.73
  5. Step 5: Solve for x
    x = 233,979,746.73/15,795.30
  6. Step 6: Final answer
    x = 14,813.25

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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.