Home / 21,047.04-29,045.07-11,486.99

Finding the Fourth Proportional to 21,047.04, 29,045.07 and 11,486.99

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Solution

The fourth proportional to 21,047.04, 29,045.07 and 11,486.99 is: 15,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047.04 : 29,045.07 = 11,486.99 : x
  2. Step 2: Convert to fraction form
    21,047.04/29,045.07 = 11,486.99/x
  3. Step 3: Cross multiply
    21,047.04x = 29,045.07 × 11,486.99
  4. Step 4: Simplify right side
    21,047.04x = 333,640,501.25
  5. Step 5: Solve for x
    x = 333,640,501.25/21,047.04
  6. Step 6: Final answer
    x = 15,852.13

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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.