Home / 22,130.24-30,539.52-12,702.08

Finding the Fourth Proportional to 22,130.24, 30,539.52 and 12,702.08

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Solution

The fourth proportional to 22,130.24, 30,539.52 and 12,702.08 is: 17,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.24 : 30,539.52 = 12,702.08 : x
  2. Step 2: Convert to fraction form
    22,130.24/30,539.52 = 12,702.08/x
  3. Step 3: Cross multiply
    22,130.24x = 30,539.52 × 12,702.08
  4. Step 4: Simplify right side
    22,130.24x = 387,915,426.20
  5. Step 5: Solve for x
    x = 387,915,426.20/22,130.24
  6. Step 6: Final answer
    x = 17,528.75

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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.