Home / 10,348.57-15,527.40-3,423.07

Finding the Fourth Proportional to 10,348.57, 15,527.40 and 3,423.07

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Solution

The fourth proportional to 10,348.57, 15,527.40 and 3,423.07 is: 5,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.57 : 15,527.40 = 3,423.07 : x
  2. Step 2: Convert to fraction form
    10,348.57/15,527.40 = 3,423.07/x
  3. Step 3: Cross multiply
    10,348.57x = 15,527.40 × 3,423.07
  4. Step 4: Simplify right side
    10,348.57x = 53,151,377.12
  5. Step 5: Solve for x
    x = 53,151,377.12/10,348.57
  6. Step 6: Final answer
    x = 5,136.11

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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.