Home / 14,719.25-20,312.57-8,432.03

Finding the Fourth Proportional to 14,719.25, 20,312.57 and 8,432.03

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Solution

The fourth proportional to 14,719.25, 20,312.57 and 8,432.03 is: 11,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.25 : 20,312.57 = 8,432.03 : x
  2. Step 2: Convert to fraction form
    14,719.25/20,312.57 = 8,432.03/x
  3. Step 3: Cross multiply
    14,719.25x = 20,312.57 × 8,432.03
  4. Step 4: Simplify right side
    14,719.25x = 171,276,199.62
  5. Step 5: Solve for x
    x = 171,276,199.62/14,719.25
  6. Step 6: Final answer
    x = 11,636.20

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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.