Home / 21,192.99-29,225.88-14,019.63

Finding the Fourth Proportional to 21,192.99, 29,225.88 and 14,019.63

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Solution

The fourth proportional to 21,192.99, 29,225.88 and 14,019.63 is: 19,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.99 : 29,225.88 = 14,019.63 : x
  2. Step 2: Convert to fraction form
    21,192.99/29,225.88 = 14,019.63/x
  3. Step 3: Cross multiply
    21,192.99x = 29,225.88 × 14,019.63
  4. Step 4: Simplify right side
    21,192.99x = 409,736,024.02
  5. Step 5: Solve for x
    x = 409,736,024.02/21,192.99
  6. Step 6: Final answer
    x = 19,333.56

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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.