Home / 22,518.86-31,076.06-13,566.74

Finding the Fourth Proportional to 22,518.86, 31,076.06 and 13,566.74

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Solution

The fourth proportional to 22,518.86, 31,076.06 and 13,566.74 is: 18,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.86 : 31,076.06 = 13,566.74 : x
  2. Step 2: Convert to fraction form
    22,518.86/31,076.06 = 13,566.74/x
  3. Step 3: Cross multiply
    22,518.86x = 31,076.06 × 13,566.74
  4. Step 4: Simplify right side
    22,518.86x = 421,600,826.24
  5. Step 5: Solve for x
    x = 421,600,826.24/22,518.86
  6. Step 6: Final answer
    x = 18,722.12

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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.