Home / 19,319.07-26,660.00-10,821.17

Finding the Fourth Proportional to 19,319.07, 26,660.00 and 10,821.17

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Solution

The fourth proportional to 19,319.07, 26,660.00 and 10,821.17 is: 14,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.07 : 26,660.00 = 10,821.17 : x
  2. Step 2: Convert to fraction form
    19,319.07/26,660.00 = 10,821.17/x
  3. Step 3: Cross multiply
    19,319.07x = 26,660.00 × 10,821.17
  4. Step 4: Simplify right side
    19,319.07x = 288,492,489.98
  5. Step 5: Solve for x
    x = 288,492,489.98/19,319.07
  6. Step 6: Final answer
    x = 14,933.04

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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.