Home / 15,460.21-21,326.92-10,985.77

Finding the Fourth Proportional to 15,460.21, 21,326.92 and 10,985.77

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Solution

The fourth proportional to 15,460.21, 21,326.92 and 10,985.77 is: 15,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.21 : 21,326.92 = 10,985.77 : x
  2. Step 2: Convert to fraction form
    15,460.21/21,326.92 = 10,985.77/x
  3. Step 3: Cross multiply
    15,460.21x = 21,326.92 × 10,985.77
  4. Step 4: Simplify right side
    15,460.21x = 234,292,637.93
  5. Step 5: Solve for x
    x = 234,292,637.93/15,460.21
  6. Step 6: Final answer
    x = 15,154.56

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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.