Home / 14,259.76-21,384.19-5,708.59

Finding the Fourth Proportional to 14,259.76, 21,384.19 and 5,708.59

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Solution

The fourth proportional to 14,259.76, 21,384.19 and 5,708.59 is: 8,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.76 : 21,384.19 = 5,708.59 : x
  2. Step 2: Convert to fraction form
    14,259.76/21,384.19 = 5,708.59/x
  3. Step 3: Cross multiply
    14,259.76x = 21,384.19 × 5,708.59
  4. Step 4: Simplify right side
    14,259.76x = 122,073,573.19
  5. Step 5: Solve for x
    x = 122,073,573.19/14,259.76
  6. Step 6: Final answer
    x = 8,560.70

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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.