Home / 14,754.24-22,128.72-6,429.60

Finding the Fourth Proportional to 14,754.24, 22,128.72 and 6,429.60

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Solution

The fourth proportional to 14,754.24, 22,128.72 and 6,429.60 is: 9,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.24 : 22,128.72 = 6,429.60 : x
  2. Step 2: Convert to fraction form
    14,754.24/22,128.72 = 6,429.60/x
  3. Step 3: Cross multiply
    14,754.24x = 22,128.72 × 6,429.60
  4. Step 4: Simplify right side
    14,754.24x = 142,278,818.11
  5. Step 5: Solve for x
    x = 142,278,818.11/14,754.24
  6. Step 6: Final answer
    x = 9,643.25

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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.