Home / 22,260.04-30,717.52-12,698.60

Finding the Fourth Proportional to 22,260.04, 30,717.52 and 12,698.60

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Solution

The fourth proportional to 22,260.04, 30,717.52 and 12,698.60 is: 17,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.04 : 30,717.52 = 12,698.60 : x
  2. Step 2: Convert to fraction form
    22,260.04/30,717.52 = 12,698.60/x
  3. Step 3: Cross multiply
    22,260.04x = 30,717.52 × 12,698.60
  4. Step 4: Simplify right side
    22,260.04x = 390,069,499.47
  5. Step 5: Solve for x
    x = 390,069,499.47/22,260.04
  6. Step 6: Final answer
    x = 17,523.31

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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.