Home / 21,767.08-30,029.93-14,210.99

Finding the Fourth Proportional to 21,767.08, 30,029.93 and 14,210.99

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Solution

The fourth proportional to 21,767.08, 30,029.93 and 14,210.99 is: 19,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.08 : 30,029.93 = 14,210.99 : x
  2. Step 2: Convert to fraction form
    21,767.08/30,029.93 = 14,210.99/x
  3. Step 3: Cross multiply
    21,767.08x = 30,029.93 × 14,210.99
  4. Step 4: Simplify right side
    21,767.08x = 426,754,963.88
  5. Step 5: Solve for x
    x = 426,754,963.88/21,767.08
  6. Step 6: Final answer
    x = 19,605.53

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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.