Home / 21,064.92-29,074.14-14,366.55

Finding the Fourth Proportional to 21,064.92, 29,074.14 and 14,366.55

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Solution

The fourth proportional to 21,064.92, 29,074.14 and 14,366.55 is: 19,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064.92 : 29,074.14 = 14,366.55 : x
  2. Step 2: Convert to fraction form
    21,064.92/29,074.14 = 14,366.55/x
  3. Step 3: Cross multiply
    21,064.92x = 29,074.14 × 14,366.55
  4. Step 4: Simplify right side
    21,064.92x = 417,695,086.02
  5. Step 5: Solve for x
    x = 417,695,086.02/21,064.92
  6. Step 6: Final answer
    x = 19,828.94

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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.