Home / 21,048.91-29,045.43-11,616.87

Finding the Fourth Proportional to 21,048.91, 29,045.43 and 11,616.87

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Solution

The fourth proportional to 21,048.91, 29,045.43 and 11,616.87 is: 16,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.91 : 29,045.43 = 11,616.87 : x
  2. Step 2: Convert to fraction form
    21,048.91/29,045.43 = 11,616.87/x
  3. Step 3: Cross multiply
    21,048.91x = 29,045.43 × 11,616.87
  4. Step 4: Simplify right side
    21,048.91x = 337,416,875.48
  5. Step 5: Solve for x
    x = 337,416,875.48/21,048.91
  6. Step 6: Final answer
    x = 16,030.13

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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.