Home / 20,370.92-30,547.47-12,053.30

Finding the Fourth Proportional to 20,370.92, 30,547.47 and 12,053.30

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Solution

The fourth proportional to 20,370.92, 30,547.47 and 12,053.30 is: 18,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370.92 : 30,547.47 = 12,053.30 : x
  2. Step 2: Convert to fraction form
    20,370.92/30,547.47 = 12,053.30/x
  3. Step 3: Cross multiply
    20,370.92x = 30,547.47 × 12,053.30
  4. Step 4: Simplify right side
    20,370.92x = 368,197,820.15
  5. Step 5: Solve for x
    x = 368,197,820.15/20,370.92
  6. Step 6: Final answer
    x = 18,074.68

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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.