Home / 19,582.86-29,345.13-10,820.28

Finding the Fourth Proportional to 19,582.86, 29,345.13 and 10,820.28

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Solution

The fourth proportional to 19,582.86, 29,345.13 and 10,820.28 is: 16,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.86 : 29,345.13 = 10,820.28 : x
  2. Step 2: Convert to fraction form
    19,582.86/29,345.13 = 10,820.28/x
  3. Step 3: Cross multiply
    19,582.86x = 29,345.13 × 10,820.28
  4. Step 4: Simplify right side
    19,582.86x = 317,522,523.24
  5. Step 5: Solve for x
    x = 317,522,523.24/19,582.86
  6. Step 6: Final answer
    x = 16,214.31

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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.