Home / 14,020.23-19,345.70-8,354.84

Finding the Fourth Proportional to 14,020.23, 19,345.70 and 8,354.84

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Solution

The fourth proportional to 14,020.23, 19,345.70 and 8,354.84 is: 11,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.23 : 19,345.70 = 8,354.84 : x
  2. Step 2: Convert to fraction form
    14,020.23/19,345.70 = 8,354.84/x
  3. Step 3: Cross multiply
    14,020.23x = 19,345.70 × 8,354.84
  4. Step 4: Simplify right side
    14,020.23x = 161,630,152.35
  5. Step 5: Solve for x
    x = 161,630,152.35/14,020.23
  6. Step 6: Final answer
    x = 11,528.35

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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.