Home / 21,048.95-29,047.98-11,617.51

Finding the Fourth Proportional to 21,048.95, 29,047.98 and 11,617.51

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Solution

The fourth proportional to 21,048.95, 29,047.98 and 11,617.51 is: 16,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.95 : 29,047.98 = 11,617.51 : x
  2. Step 2: Convert to fraction form
    21,048.95/29,047.98 = 11,617.51/x
  3. Step 3: Cross multiply
    21,048.95x = 29,047.98 × 11,617.51
  4. Step 4: Simplify right side
    21,048.95x = 337,465,198.13
  5. Step 5: Solve for x
    x = 337,465,198.13/21,048.95
  6. Step 6: Final answer
    x = 16,032.40

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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.