Home / 16,820.51-25,230.64-4,339.47

Finding the Fourth Proportional to 16,820.51, 25,230.64 and 4,339.47

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Solution

The fourth proportional to 16,820.51, 25,230.64 and 4,339.47 is: 6,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.51 : 25,230.64 = 4,339.47 : x
  2. Step 2: Convert to fraction form
    16,820.51/25,230.64 = 4,339.47/x
  3. Step 3: Cross multiply
    16,820.51x = 25,230.64 × 4,339.47
  4. Step 4: Simplify right side
    16,820.51x = 109,487,697.26
  5. Step 5: Solve for x
    x = 109,487,697.26/16,820.51
  6. Step 6: Final answer
    x = 6,509.18

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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.