Home / 22,574.86-31,142.95-14,619.64

Finding the Fourth Proportional to 22,574.86, 31,142.95 and 14,619.64

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Solution

The fourth proportional to 22,574.86, 31,142.95 and 14,619.64 is: 20,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.86 : 31,142.95 = 14,619.64 : x
  2. Step 2: Convert to fraction form
    22,574.86/31,142.95 = 14,619.64/x
  3. Step 3: Cross multiply
    22,574.86x = 31,142.95 × 14,619.64
  4. Step 4: Simplify right side
    22,574.86x = 455,298,717.54
  5. Step 5: Solve for x
    x = 455,298,717.54/22,574.86
  6. Step 6: Final answer
    x = 20,168.40

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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.