Home / 14,065.61-21,103.26-5,303.03

Finding the Fourth Proportional to 14,065.61, 21,103.26 and 5,303.03

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Solution

The fourth proportional to 14,065.61, 21,103.26 and 5,303.03 is: 7,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.61 : 21,103.26 = 5,303.03 : x
  2. Step 2: Convert to fraction form
    14,065.61/21,103.26 = 5,303.03/x
  3. Step 3: Cross multiply
    14,065.61x = 21,103.26 × 5,303.03
  4. Step 4: Simplify right side
    14,065.61x = 111,911,115.36
  5. Step 5: Solve for x
    x = 111,911,115.36/14,065.61
  6. Step 6: Final answer
    x = 7,956.37

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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.