Home / 19,637.86-27,100.23-10,685.35

Finding the Fourth Proportional to 19,637.86, 27,100.23 and 10,685.35

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Solution

The fourth proportional to 19,637.86, 27,100.23 and 10,685.35 is: 14,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.86 : 27,100.23 = 10,685.35 : x
  2. Step 2: Convert to fraction form
    19,637.86/27,100.23 = 10,685.35/x
  3. Step 3: Cross multiply
    19,637.86x = 27,100.23 × 10,685.35
  4. Step 4: Simplify right side
    19,637.86x = 289,575,442.63
  5. Step 5: Solve for x
    x = 289,575,442.63/19,637.86
  6. Step 6: Final answer
    x = 14,745.77

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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.