Home / 12,588.08-17,380.44-9,052.40

Finding the Fourth Proportional to 12,588.08, 17,380.44 and 9,052.40

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Solution

The fourth proportional to 12,588.08, 17,380.44 and 9,052.40 is: 12,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.08 : 17,380.44 = 9,052.40 : x
  2. Step 2: Convert to fraction form
    12,588.08/17,380.44 = 9,052.40/x
  3. Step 3: Cross multiply
    12,588.08x = 17,380.44 × 9,052.40
  4. Step 4: Simplify right side
    12,588.08x = 157,334,695.06
  5. Step 5: Solve for x
    x = 157,334,695.06/12,588.08
  6. Step 6: Final answer
    x = 12,498.70

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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.