Home / 19,918.09-29,895.59-10,064.29

Finding the Fourth Proportional to 19,918.09, 29,895.59 and 10,064.29

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Solution

The fourth proportional to 19,918.09, 29,895.59 and 10,064.29 is: 15,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.09 : 29,895.59 = 10,064.29 : x
  2. Step 2: Convert to fraction form
    19,918.09/29,895.59 = 10,064.29/x
  3. Step 3: Cross multiply
    19,918.09x = 29,895.59 × 10,064.29
  4. Step 4: Simplify right side
    19,918.09x = 300,877,887.48
  5. Step 5: Solve for x
    x = 300,877,887.48/19,918.09
  6. Step 6: Final answer
    x = 15,105.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.