Home / 19,245.84-28,895.32-13,308.16

Finding the Fourth Proportional to 19,245.84, 28,895.32 and 13,308.16

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Solution

The fourth proportional to 19,245.84, 28,895.32 and 13,308.16 is: 19,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.84 : 28,895.32 = 13,308.16 : x
  2. Step 2: Convert to fraction form
    19,245.84/28,895.32 = 13,308.16/x
  3. Step 3: Cross multiply
    19,245.84x = 28,895.32 × 13,308.16
  4. Step 4: Simplify right side
    19,245.84x = 384,543,541.81
  5. Step 5: Solve for x
    x = 384,543,541.81/19,245.84
  6. Step 6: Final answer
    x = 19,980.61

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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.