Home / 14,005.08-21,012.48-6,219.36

Finding the Fourth Proportional to 14,005.08, 21,012.48 and 6,219.36

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Solution

The fourth proportional to 14,005.08, 21,012.48 and 6,219.36 is: 9,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.08 : 21,012.48 = 6,219.36 : x
  2. Step 2: Convert to fraction form
    14,005.08/21,012.48 = 6,219.36/x
  3. Step 3: Cross multiply
    14,005.08x = 21,012.48 × 6,219.36
  4. Step 4: Simplify right side
    14,005.08x = 130,684,177.61
  5. Step 5: Solve for x
    x = 130,684,177.61/14,005.08
  6. Step 6: Final answer
    x = 9,331.20

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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.