Home / 13,374.32-20,061.72-4,012.16

Finding the Fourth Proportional to 13,374.32, 20,061.72 and 4,012.16

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Solution

The fourth proportional to 13,374.32, 20,061.72 and 4,012.16 is: 6,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.32 : 20,061.72 = 4,012.16 : x
  2. Step 2: Convert to fraction form
    13,374.32/20,061.72 = 4,012.16/x
  3. Step 3: Cross multiply
    13,374.32x = 20,061.72 × 4,012.16
  4. Step 4: Simplify right side
    13,374.32x = 80,490,830.52
  5. Step 5: Solve for x
    x = 80,490,830.52/13,374.32
  6. Step 6: Final answer
    x = 6,018.31

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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.