Home / 14,039.02-21,059.80-6,139.19

Finding the Fourth Proportional to 14,039.02, 21,059.80 and 6,139.19

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Solution

The fourth proportional to 14,039.02, 21,059.80 and 6,139.19 is: 9,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.02 : 21,059.80 = 6,139.19 : x
  2. Step 2: Convert to fraction form
    14,039.02/21,059.80 = 6,139.19/x
  3. Step 3: Cross multiply
    14,039.02x = 21,059.80 × 6,139.19
  4. Step 4: Simplify right side
    14,039.02x = 129,290,150.86
  5. Step 5: Solve for x
    x = 129,290,150.86/14,039.02
  6. Step 6: Final answer
    x = 9,209.34

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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.