Home / 22,127.86-30,526.85-13,170.34

Finding the Fourth Proportional to 22,127.86, 30,526.85 and 13,170.34

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Solution

The fourth proportional to 22,127.86, 30,526.85 and 13,170.34 is: 18,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.86 : 30,526.85 = 13,170.34 : x
  2. Step 2: Convert to fraction form
    22,127.86/30,526.85 = 13,170.34/x
  3. Step 3: Cross multiply
    22,127.86x = 30,526.85 × 13,170.34
  4. Step 4: Simplify right side
    22,127.86x = 402,048,775.14
  5. Step 5: Solve for x
    x = 402,048,775.14/22,127.86
  6. Step 6: Final answer
    x = 18,169.35

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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.