Home / 21,047.48-29,045.45-11,615.97

Finding the Fourth Proportional to 21,047.48, 29,045.45 and 11,615.97

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Solution

The fourth proportional to 21,047.48, 29,045.45 and 11,615.97 is: 16,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047.48 : 29,045.45 = 11,615.97 : x
  2. Step 2: Convert to fraction form
    21,047.48/29,045.45 = 11,615.97/x
  3. Step 3: Cross multiply
    21,047.48x = 29,045.45 × 11,615.97
  4. Step 4: Simplify right side
    21,047.48x = 337,391,075.84
  5. Step 5: Solve for x
    x = 337,391,075.84/21,047.48
  6. Step 6: Final answer
    x = 16,030.00

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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.