Home / 21,030.17-29,021.10-11,598.13

Finding the Fourth Proportional to 21,030.17, 29,021.10 and 11,598.13

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Solution

The fourth proportional to 21,030.17, 29,021.10 and 11,598.13 is: 16,005.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030.17 : 29,021.10 = 11,598.13 : x
  2. Step 2: Convert to fraction form
    21,030.17/29,021.10 = 11,598.13/x
  3. Step 3: Cross multiply
    21,030.17x = 29,021.10 × 11,598.13
  4. Step 4: Simplify right side
    21,030.17x = 336,590,490.54
  5. Step 5: Solve for x
    x = 336,590,490.54/21,030.17
  6. Step 6: Final answer
    x = 16,005.12

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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.