Home / 21,029.79-31,547.84-6,793.51

Finding the Fourth Proportional to 21,029.79, 31,547.84 and 6,793.51

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Solution

The fourth proportional to 21,029.79, 31,547.84 and 6,793.51 is: 10,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.79 : 31,547.84 = 6,793.51 : x
  2. Step 2: Convert to fraction form
    21,029.79/31,547.84 = 6,793.51/x
  3. Step 3: Cross multiply
    21,029.79x = 31,547.84 × 6,793.51
  4. Step 4: Simplify right side
    21,029.79x = 214,320,566.52
  5. Step 5: Solve for x
    x = 214,320,566.52/21,029.79
  6. Step 6: Final answer
    x = 10,191.28

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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.