Home / 13,345.65-20,002.84-5,443.24

Finding the Fourth Proportional to 13,345.65, 20,002.84 and 5,443.24

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Solution

The fourth proportional to 13,345.65, 20,002.84 and 5,443.24 is: 8,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.65 : 20,002.84 = 5,443.24 : x
  2. Step 2: Convert to fraction form
    13,345.65/20,002.84 = 5,443.24/x
  3. Step 3: Cross multiply
    13,345.65x = 20,002.84 × 5,443.24
  4. Step 4: Simplify right side
    13,345.65x = 108,880,158.79
  5. Step 5: Solve for x
    x = 108,880,158.79/13,345.65
  6. Step 6: Final answer
    x = 8,158.47

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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.