Home / 20,534.53-28,337.64-11,582.01

Finding the Fourth Proportional to 20,534.53, 28,337.64 and 11,582.01

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Solution

The fourth proportional to 20,534.53, 28,337.64 and 11,582.01 is: 15,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.53 : 28,337.64 = 11,582.01 : x
  2. Step 2: Convert to fraction form
    20,534.53/28,337.64 = 11,582.01/x
  3. Step 3: Cross multiply
    20,534.53x = 28,337.64 × 11,582.01
  4. Step 4: Simplify right side
    20,534.53x = 328,206,829.86
  5. Step 5: Solve for x
    x = 328,206,829.86/20,534.53
  6. Step 6: Final answer
    x = 15,983.17

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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.