Home / 20,350.91-30,501.75-10,484.80

Finding the Fourth Proportional to 20,350.91, 30,501.75 and 10,484.80

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Solution

The fourth proportional to 20,350.91, 30,501.75 and 10,484.80 is: 15,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.91 : 30,501.75 = 10,484.80 : x
  2. Step 2: Convert to fraction form
    20,350.91/30,501.75 = 10,484.80/x
  3. Step 3: Cross multiply
    20,350.91x = 30,501.75 × 10,484.80
  4. Step 4: Simplify right side
    20,350.91x = 319,804,748.40
  5. Step 5: Solve for x
    x = 319,804,748.40/20,350.91
  6. Step 6: Final answer
    x = 15,714.52

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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.