Home / 14,303.90-19,737.56-7,930.43

Finding the Fourth Proportional to 14,303.90, 19,737.56 and 7,930.43

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Solution

The fourth proportional to 14,303.90, 19,737.56 and 7,930.43 is: 10,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.90 : 19,737.56 = 7,930.43 : x
  2. Step 2: Convert to fraction form
    14,303.90/19,737.56 = 7,930.43/x
  3. Step 3: Cross multiply
    14,303.90x = 19,737.56 × 7,930.43
  4. Step 4: Simplify right side
    14,303.90x = 156,527,337.95
  5. Step 5: Solve for x
    x = 156,527,337.95/14,303.90
  6. Step 6: Final answer
    x = 10,942.98

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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.