Home / 15,860.34-21,897.54-10,197.63

Finding the Fourth Proportional to 15,860.34, 21,897.54 and 10,197.63

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Solution

The fourth proportional to 15,860.34, 21,897.54 and 10,197.63 is: 14,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.34 : 21,897.54 = 10,197.63 : x
  2. Step 2: Convert to fraction form
    15,860.34/21,897.54 = 10,197.63/x
  3. Step 3: Cross multiply
    15,860.34x = 21,897.54 × 10,197.63
  4. Step 4: Simplify right side
    15,860.34x = 223,303,010.83
  5. Step 5: Solve for x
    x = 223,303,010.83/15,860.34
  6. Step 6: Final answer
    x = 14,079.33

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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.