Home / 22,946.86-31,685.34-18,698.56

Finding the Fourth Proportional to 22,946.86, 31,685.34 and 18,698.56

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Solution

The fourth proportional to 22,946.86, 31,685.34 and 18,698.56 is: 25,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,946.86 : 31,685.34 = 18,698.56 : x
  2. Step 2: Convert to fraction form
    22,946.86/31,685.34 = 18,698.56/x
  3. Step 3: Cross multiply
    22,946.86x = 31,685.34 × 18,698.56
  4. Step 4: Simplify right side
    22,946.86x = 592,470,231.11
  5. Step 5: Solve for x
    x = 592,470,231.11/22,946.86
  6. Step 6: Final answer
    x = 25,819.23

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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.