Home / 14,287.83-21,445.55-6,897.48

Finding the Fourth Proportional to 14,287.83, 21,445.55 and 6,897.48

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Solution

The fourth proportional to 14,287.83, 21,445.55 and 6,897.48 is: 10,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.83 : 21,445.55 = 6,897.48 : x
  2. Step 2: Convert to fraction form
    14,287.83/21,445.55 = 6,897.48/x
  3. Step 3: Cross multiply
    14,287.83x = 21,445.55 × 6,897.48
  4. Step 4: Simplify right side
    14,287.83x = 147,920,252.21
  5. Step 5: Solve for x
    x = 147,920,252.21/14,287.83
  6. Step 6: Final answer
    x = 10,352.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.