Home / 14,373.48-21,559.74-5,139.24

Finding the Fourth Proportional to 14,373.48, 21,559.74 and 5,139.24

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Solution

The fourth proportional to 14,373.48, 21,559.74 and 5,139.24 is: 7,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.48 : 21,559.74 = 5,139.24 : x
  2. Step 2: Convert to fraction form
    14,373.48/21,559.74 = 5,139.24/x
  3. Step 3: Cross multiply
    14,373.48x = 21,559.74 × 5,139.24
  4. Step 4: Simplify right side
    14,373.48x = 110,800,678.20
  5. Step 5: Solve for x
    x = 110,800,678.20/14,373.48
  6. Step 6: Final answer
    x = 7,708.69

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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.