Home / 21,166.47-29,210.06-11,607.24

Finding the Fourth Proportional to 21,166.47, 29,210.06 and 11,607.24

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Solution

The fourth proportional to 21,166.47, 29,210.06 and 11,607.24 is: 16,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,166.47 : 29,210.06 = 11,607.24 : x
  2. Step 2: Convert to fraction form
    21,166.47/29,210.06 = 11,607.24/x
  3. Step 3: Cross multiply
    21,166.47x = 29,210.06 × 11,607.24
  4. Step 4: Simplify right side
    21,166.47x = 339,048,118.80
  5. Step 5: Solve for x
    x = 339,048,118.80/21,166.47
  6. Step 6: Final answer
    x = 16,018.17

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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.