Home / 19,581.49-29,374.94-6,435.19

Finding the Fourth Proportional to 19,581.49, 29,374.94 and 6,435.19

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Solution

The fourth proportional to 19,581.49, 29,374.94 and 6,435.19 is: 9,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.49 : 29,374.94 = 6,435.19 : x
  2. Step 2: Convert to fraction form
    19,581.49/29,374.94 = 6,435.19/x
  3. Step 3: Cross multiply
    19,581.49x = 29,374.94 × 6,435.19
  4. Step 4: Simplify right side
    19,581.49x = 189,033,320.14
  5. Step 5: Solve for x
    x = 189,033,320.14/19,581.49
  6. Step 6: Final answer
    x = 9,653.67

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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.