Home / 14,268.40-19,685.37-8,298.70

Finding the Fourth Proportional to 14,268.40, 19,685.37 and 8,298.70

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Solution

The fourth proportional to 14,268.40, 19,685.37 and 8,298.70 is: 11,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.40 : 19,685.37 = 8,298.70 : x
  2. Step 2: Convert to fraction form
    14,268.40/19,685.37 = 8,298.70/x
  3. Step 3: Cross multiply
    14,268.40x = 19,685.37 × 8,298.70
  4. Step 4: Simplify right side
    14,268.40x = 163,362,980.02
  5. Step 5: Solve for x
    x = 163,362,980.02/14,268.40
  6. Step 6: Final answer
    x = 11,449.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.