Home / 19,205.12-28,807.48-5,354.08

Finding the Fourth Proportional to 19,205.12, 28,807.48 and 5,354.08

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Solution

The fourth proportional to 19,205.12, 28,807.48 and 5,354.08 is: 8,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.12 : 28,807.48 = 5,354.08 : x
  2. Step 2: Convert to fraction form
    19,205.12/28,807.48 = 5,354.08/x
  3. Step 3: Cross multiply
    19,205.12x = 28,807.48 × 5,354.08
  4. Step 4: Simplify right side
    19,205.12x = 154,237,552.52
  5. Step 5: Solve for x
    x = 154,237,552.52/19,205.12
  6. Step 6: Final answer
    x = 8,031.06

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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.