Home / 14,488.40-21,746.62-6,997.21

Finding the Fourth Proportional to 14,488.40, 21,746.62 and 6,997.21

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Solution

The fourth proportional to 14,488.40, 21,746.62 and 6,997.21 is: 10,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.40 : 21,746.62 = 6,997.21 : x
  2. Step 2: Convert to fraction form
    14,488.40/21,746.62 = 6,997.21/x
  3. Step 3: Cross multiply
    14,488.40x = 21,746.62 × 6,997.21
  4. Step 4: Simplify right side
    14,488.40x = 152,165,666.93
  5. Step 5: Solve for x
    x = 152,165,666.93/14,488.40
  6. Step 6: Final answer
    x = 10,502.59

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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.