Home / 15,441.09-21,291.76-10,053.58

Finding the Fourth Proportional to 15,441.09, 21,291.76 and 10,053.58

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Solution

The fourth proportional to 15,441.09, 21,291.76 and 10,053.58 is: 13,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.09 : 21,291.76 = 10,053.58 : x
  2. Step 2: Convert to fraction form
    15,441.09/21,291.76 = 10,053.58/x
  3. Step 3: Cross multiply
    15,441.09x = 21,291.76 × 10,053.58
  4. Step 4: Simplify right side
    15,441.09x = 214,058,412.50
  5. Step 5: Solve for x
    x = 214,058,412.50/15,441.09
  6. Step 6: Final answer
    x = 13,862.91

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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.