Home / 20,332.42-30,498.63-8,637.46

Finding the Fourth Proportional to 20,332.42, 30,498.63 and 8,637.46

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Solution

The fourth proportional to 20,332.42, 30,498.63 and 8,637.46 is: 12,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.42 : 30,498.63 = 8,637.46 : x
  2. Step 2: Convert to fraction form
    20,332.42/30,498.63 = 8,637.46/x
  3. Step 3: Cross multiply
    20,332.42x = 30,498.63 × 8,637.46
  4. Step 4: Simplify right side
    20,332.42x = 263,430,696.68
  5. Step 5: Solve for x
    x = 263,430,696.68/20,332.42
  6. Step 6: Final answer
    x = 12,956.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.