Home / 14,335.72-21,508.74-6,437.62

Finding the Fourth Proportional to 14,335.72, 21,508.74 and 6,437.62

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Solution

The fourth proportional to 14,335.72, 21,508.74 and 6,437.62 is: 9,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.72 : 21,508.74 = 6,437.62 : x
  2. Step 2: Convert to fraction form
    14,335.72/21,508.74 = 6,437.62/x
  3. Step 3: Cross multiply
    14,335.72x = 21,508.74 × 6,437.62
  4. Step 4: Simplify right side
    14,335.72x = 138,465,094.80
  5. Step 5: Solve for x
    x = 138,465,094.80/14,335.72
  6. Step 6: Final answer
    x = 9,658.75

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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.