Home / 19,320.93-28,985.51-6,671.88

Finding the Fourth Proportional to 19,320.93, 28,985.51 and 6,671.88

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Solution

The fourth proportional to 19,320.93, 28,985.51 and 6,671.88 is: 10,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.93 : 28,985.51 = 6,671.88 : x
  2. Step 2: Convert to fraction form
    19,320.93/28,985.51 = 6,671.88/x
  3. Step 3: Cross multiply
    19,320.93x = 28,985.51 × 6,671.88
  4. Step 4: Simplify right side
    19,320.93x = 193,387,811.10
  5. Step 5: Solve for x
    x = 193,387,811.10/19,320.93
  6. Step 6: Final answer
    x = 10,009.24

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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.