Home / 14,320.09-21,486.29-6,930.07

Finding the Fourth Proportional to 14,320.09, 21,486.29 and 6,930.07

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Solution

The fourth proportional to 14,320.09, 21,486.29 and 6,930.07 is: 10,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.09 : 21,486.29 = 6,930.07 : x
  2. Step 2: Convert to fraction form
    14,320.09/21,486.29 = 6,930.07/x
  3. Step 3: Cross multiply
    14,320.09x = 21,486.29 × 6,930.07
  4. Step 4: Simplify right side
    14,320.09x = 148,901,493.74
  5. Step 5: Solve for x
    x = 148,901,493.74/14,320.09
  6. Step 6: Final answer
    x = 10,398.08

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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.