Home / 15,213.32-22,782.70-12,564.62

Finding the Fourth Proportional to 15,213.32, 22,782.70 and 12,564.62

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Solution

The fourth proportional to 15,213.32, 22,782.70 and 12,564.62 is: 18,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.32 : 22,782.70 = 12,564.62 : x
  2. Step 2: Convert to fraction form
    15,213.32/22,782.70 = 12,564.62/x
  3. Step 3: Cross multiply
    15,213.32x = 22,782.70 × 12,564.62
  4. Step 4: Simplify right side
    15,213.32x = 286,255,968.07
  5. Step 5: Solve for x
    x = 286,255,968.07/15,213.32
  6. Step 6: Final answer
    x = 18,816.14

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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.