Home / 14,455.50-21,691.35-14,345.34

Finding the Fourth Proportional to 14,455.50, 21,691.35 and 14,345.34

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Solution

The fourth proportional to 14,455.50, 21,691.35 and 14,345.34 is: 21,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.50 : 21,691.35 = 14,345.34 : x
  2. Step 2: Convert to fraction form
    14,455.50/21,691.35 = 14,345.34/x
  3. Step 3: Cross multiply
    14,455.50x = 21,691.35 × 14,345.34
  4. Step 4: Simplify right side
    14,455.50x = 311,169,790.81
  5. Step 5: Solve for x
    x = 311,169,790.81/14,455.50
  6. Step 6: Final answer
    x = 21,526.05

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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.