Home / 15,521.19-21,416.00-10,151.49

Finding the Fourth Proportional to 15,521.19, 21,416.00 and 10,151.49

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Solution

The fourth proportional to 15,521.19, 21,416.00 and 10,151.49 is: 14,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.19 : 21,416.00 = 10,151.49 : x
  2. Step 2: Convert to fraction form
    15,521.19/21,416.00 = 10,151.49/x
  3. Step 3: Cross multiply
    15,521.19x = 21,416.00 × 10,151.49
  4. Step 4: Simplify right side
    15,521.19x = 217,404,339.39
  5. Step 5: Solve for x
    x = 217,404,339.39/15,521.19
  6. Step 6: Final answer
    x = 14,006.94

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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.