Home / 15,354.08-21,197.67-14,468.35

Finding the Fourth Proportional to 15,354.08, 21,197.67 and 14,468.35

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Solution

The fourth proportional to 15,354.08, 21,197.67 and 14,468.35 is: 19,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.08 : 21,197.67 = 14,468.35 : x
  2. Step 2: Convert to fraction form
    15,354.08/21,197.67 = 14,468.35/x
  3. Step 3: Cross multiply
    15,354.08x = 21,197.67 × 14,468.35
  4. Step 4: Simplify right side
    15,354.08x = 306,695,308.74
  5. Step 5: Solve for x
    x = 306,695,308.74/15,354.08
  6. Step 6: Final answer
    x = 19,974.84

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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.