Home / 19,479.31-29,214.77-6,153.35

Finding the Fourth Proportional to 19,479.31, 29,214.77 and 6,153.35

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Solution

The fourth proportional to 19,479.31, 29,214.77 and 6,153.35 is: 9,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.31 : 29,214.77 = 6,153.35 : x
  2. Step 2: Convert to fraction form
    19,479.31/29,214.77 = 6,153.35/x
  3. Step 3: Cross multiply
    19,479.31x = 29,214.77 × 6,153.35
  4. Step 4: Simplify right side
    19,479.31x = 179,768,528.14
  5. Step 5: Solve for x
    x = 179,768,528.14/19,479.31
  6. Step 6: Final answer
    x = 9,228.69

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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.