Home / 14,178.38-19,559.21-8,510.40

Finding the Fourth Proportional to 14,178.38, 19,559.21 and 8,510.40

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Solution

The fourth proportional to 14,178.38, 19,559.21 and 8,510.40 is: 11,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.38 : 19,559.21 = 8,510.40 : x
  2. Step 2: Convert to fraction form
    14,178.38/19,559.21 = 8,510.40/x
  3. Step 3: Cross multiply
    14,178.38x = 19,559.21 × 8,510.40
  4. Step 4: Simplify right side
    14,178.38x = 166,456,658.23
  5. Step 5: Solve for x
    x = 166,456,658.23/14,178.38
  6. Step 6: Final answer
    x = 11,740.18

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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.