Home / 13,007.34-19,510.74-8,329.62

Finding the Fourth Proportional to 13,007.34, 19,510.74 and 8,329.62

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Solution

The fourth proportional to 13,007.34, 19,510.74 and 8,329.62 is: 12,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.34 : 19,510.74 = 8,329.62 : x
  2. Step 2: Convert to fraction form
    13,007.34/19,510.74 = 8,329.62/x
  3. Step 3: Cross multiply
    13,007.34x = 19,510.74 × 8,329.62
  4. Step 4: Simplify right side
    13,007.34x = 162,517,050.12
  5. Step 5: Solve for x
    x = 162,517,050.12/13,007.34
  6. Step 6: Final answer
    x = 12,494.26

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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.