Home / 16,678.62-25,030.23-13,430.93

Finding the Fourth Proportional to 16,678.62, 25,030.23 and 13,430.93

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Solution

The fourth proportional to 16,678.62, 25,030.23 and 13,430.93 is: 20,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.62 : 25,030.23 = 13,430.93 : x
  2. Step 2: Convert to fraction form
    16,678.62/25,030.23 = 13,430.93/x
  3. Step 3: Cross multiply
    16,678.62x = 25,030.23 × 13,430.93
  4. Step 4: Simplify right side
    16,678.62x = 336,179,091.50
  5. Step 5: Solve for x
    x = 336,179,091.50/16,678.62
  6. Step 6: Final answer
    x = 20,156.29

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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.