Home / 13,248.36-18,276.84-9,268.02

Finding the Fourth Proportional to 13,248.36, 18,276.84 and 9,268.02

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Solution

The fourth proportional to 13,248.36, 18,276.84 and 9,268.02 is: 12,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.36 : 18,276.84 = 9,268.02 : x
  2. Step 2: Convert to fraction form
    13,248.36/18,276.84 = 9,268.02/x
  3. Step 3: Cross multiply
    13,248.36x = 18,276.84 × 9,268.02
  4. Step 4: Simplify right side
    13,248.36x = 169,390,118.66
  5. Step 5: Solve for x
    x = 169,390,118.66/13,248.36
  6. Step 6: Final answer
    x = 12,785.74

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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.