Home / 12,666.56-17,479.91-6,924.02

Finding the Fourth Proportional to 12,666.56, 17,479.91 and 6,924.02

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Solution

The fourth proportional to 12,666.56, 17,479.91 and 6,924.02 is: 9,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.56 : 17,479.91 = 6,924.02 : x
  2. Step 2: Convert to fraction form
    12,666.56/17,479.91 = 6,924.02/x
  3. Step 3: Cross multiply
    12,666.56x = 17,479.91 × 6,924.02
  4. Step 4: Simplify right side
    12,666.56x = 121,031,176.35
  5. Step 5: Solve for x
    x = 121,031,176.35/12,666.56
  6. Step 6: Final answer
    x = 9,555.18

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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.