Home / 13,423.62-20,135.63-4,658.82

Finding the Fourth Proportional to 13,423.62, 20,135.63 and 4,658.82

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Solution

The fourth proportional to 13,423.62, 20,135.63 and 4,658.82 is: 6,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.62 : 20,135.63 = 4,658.82 : x
  2. Step 2: Convert to fraction form
    13,423.62/20,135.63 = 4,658.82/x
  3. Step 3: Cross multiply
    13,423.62x = 20,135.63 × 4,658.82
  4. Step 4: Simplify right side
    13,423.62x = 93,808,275.76
  5. Step 5: Solve for x
    x = 93,808,275.76/13,423.62
  6. Step 6: Final answer
    x = 6,988.30

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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.