Home / 15,532.62-21,430.32-14,035.74

Finding the Fourth Proportional to 15,532.62, 21,430.32 and 14,035.74

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Solution

The fourth proportional to 15,532.62, 21,430.32 and 14,035.74 is: 19,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,532.62 : 21,430.32 = 14,035.74 : x
  2. Step 2: Convert to fraction form
    15,532.62/21,430.32 = 14,035.74/x
  3. Step 3: Cross multiply
    15,532.62x = 21,430.32 × 14,035.74
  4. Step 4: Simplify right side
    15,532.62x = 300,790,399.64
  5. Step 5: Solve for x
    x = 300,790,399.64/15,532.62
  6. Step 6: Final answer
    x = 19,365.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.