Home / 15,296.40-21,110.04-8,582.49

Finding the Fourth Proportional to 15,296.40, 21,110.04 and 8,582.49

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Solution

The fourth proportional to 15,296.40, 21,110.04 and 8,582.49 is: 11,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.40 : 21,110.04 = 8,582.49 : x
  2. Step 2: Convert to fraction form
    15,296.40/21,110.04 = 8,582.49/x
  3. Step 3: Cross multiply
    15,296.40x = 21,110.04 × 8,582.49
  4. Step 4: Simplify right side
    15,296.40x = 181,176,707.20
  5. Step 5: Solve for x
    x = 181,176,707.20/15,296.40
  6. Step 6: Final answer
    x = 11,844.40

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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.