Home / 14,412.08-19,887.72-8,124.32

Finding the Fourth Proportional to 14,412.08, 19,887.72 and 8,124.32

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Solution

The fourth proportional to 14,412.08, 19,887.72 and 8,124.32 is: 11,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.08 : 19,887.72 = 8,124.32 : x
  2. Step 2: Convert to fraction form
    14,412.08/19,887.72 = 8,124.32/x
  3. Step 3: Cross multiply
    14,412.08x = 19,887.72 × 8,124.32
  4. Step 4: Simplify right side
    14,412.08x = 161,574,201.35
  5. Step 5: Solve for x
    x = 161,574,201.35/14,412.08
  6. Step 6: Final answer
    x = 11,211.03

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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.