Home / 15,287.58-21,095.10-8,573.22

Finding the Fourth Proportional to 15,287.58, 21,095.10 and 8,573.22

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Solution

The fourth proportional to 15,287.58, 21,095.10 and 8,573.22 is: 11,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287.58 : 21,095.10 = 8,573.22 : x
  2. Step 2: Convert to fraction form
    15,287.58/21,095.10 = 8,573.22/x
  3. Step 3: Cross multiply
    15,287.58x = 21,095.10 × 8,573.22
  4. Step 4: Simplify right side
    15,287.58x = 180,852,933.22
  5. Step 5: Solve for x
    x = 180,852,933.22/15,287.58
  6. Step 6: Final answer
    x = 11,830.06

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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.